Service Manual: HL-1110/1111/1112/1118 HL-1200/1201/1202/1208 HL-1210W/1211W/1212W/1218W/ 1222W

 

Brother Laser Printer 

SERVICE MANUAL

Original:

HL-1110/1111/1112/1118 Models support smaller than A4/letter size:

HL-1200/1201/1202/1208 Models support smaller than A4/letter size with LAN function:

HL-1210W/1211W/1212W/1218W/ 1222W

Read this manual thoroughly before maintenance work. Keep this manual in a convenient place for quick and easy reference at all times.

May 2013 SM-PRN092 84UE03 (7)

Confidential 

 

TRADEMARKS BROTHER is either a trademark or a registered trademark of Brother Industries, Ltd. Microsoft, Windows, Windows Vista, Windows Server, Outlook, Internet Explorer, E xplorer, SkyDrive and Windows phone are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.  Apple, Macintosh, Safari, Mac OS, iPad, iPhone, iPod iP od touch and OS X are trademarks of Apple Inc., registered in the United States and other countries.  AirPrint is a trademark of Apple Inc. IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license. Linux is the registered trademark tradema rk of Linus Torvalds in the U.S. and other countries. UNIX is a registered trademark of The Open Group in the United States and other countries. Intel is a trademark of Intel Corporation in the U.S. and/or other countries.  Adobe, Illustrator, PostScript and PostScript 3 are either registered trademarks or trademarks of Adobe Systems Incorporated in the United States and/or other countries. Wi-Fi, Wi-Fi Alliance and Wi-Fi Protected Access are registered trademarks of Wi-Fi Alliance. WPA, WPA2, WPA2, Wi-Fi Protected Setup, Wi-Fi Protected Setup logo and W Wi-Fi i-Fi Direct are trademarks of WiFi Alliance. Flickr is a registered trademark trademar k of Yahoo! Inc.  AOSS is a trademark of Buffalo Inc.  Android, Google Cloud Print, Google Drive, Picasa Web Albums and Google Play are trademarks t rademarks of Google, Inc. Use of these trademarks are subject to Google Permissions. Nuance and PaperPort are trademarks or registered trademarks of Nuance Communications, Inc. or its affiliates in the United States and/or other countries. Mozilla and Firefox are registered trademarks of the Mozilla Foundation. EVERNOTE is a trademark of Evernote Corporation and used under a license. Each company whose software title is mentioned in this manual has a Software License Agreement specific to its proprietary programs. Any trade names and product names of companies appearing on Brother products, related documents and any other materials are all trademarks or registered trademarks of those respective companies.

© Copyright Brother 2013  All rights reserved. No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher.  All other product and company names mentioned in this manual are trademarks or registered register ed trademarks of their respective holders. Specifications are subject to change without notice.

Model

All models

Machine life

50,000 pages (A4/Letter size) or 5 years

Part life (Fuser unit)

Up to 50,000 pages

Part life (Laser unit)

Up to 50,000 pages

Max axiimum m mo onthly vo volume

Up tto o 10 10,000 pa page ges s

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CONTENTS

SAFETY INFORMATION........................................................................................... iv CHAPTER 1 TROUBLESHOOTI TROUBLESHOOTING NG 1.

INTRODUCTION .............................................................. ............................................................ 1-1

1.1 2.

3.

4.

Checks before Commencing Troubleshooting................................................ Troubleshooting..................................................................... ..................... 1-1

OVERVIEW ...................................................................... ............................................................ 1-3

2.1

Cross-section Drawing......................................................................................................... Drawing.............................................................. ........................................... 1-3

2.2

Paper Feeding ......................................................... ..................................................................................................................... ............................................................ 1-4

2.3

Operation Operation of Each Part ............. .................... .............. .............. ............. ............. ............. ............. .............. .............. .............. .............. ............. ............. .......... ... 1-5

2.4

Block Diagram ...................................................................... ..................................................................................................................... ............................................... 1-6

2.5

Main Components.............................................................. Components................................................................................................................ .................................................. 1-7

LED DISPLAY ............................................................................... ............................................... 1-8

3.1

LED Display when Operator Call Occurs........................................................... Occurs............................................................................. .................. 1-8

3.2

LED Display when Service Call Occurs................ Occurs............................................................................. ............................................................. 1-10

3.3

Error Messages for Maintenance Printing ......................................................................... ......................................................... ................ 1-14

3.4

Error Display when Service Call Occurs............................................................................ Occurs............... ............................................................. 1-15

3.5

Image Defects.............................................................................. Defects.................................................................................................................... ...................................... 1-16

ERROR CAUSE AND REMEDY .......................................................................... ...................... 1-17

4.1

4.2

Troubleshooti Troubleshooting ng for Paper Feeding Problems............ Problems.................. ............. ............. ............. ............. ............. ............. ............. .......... ... 1-17 4.1.1

No paper paper is fed from paper tray............. tray................... ............. .............. .............. .............. .............. ............. ............. .............. ......... 1-17

4.1.2

Paper becomes becomes wrinkled wrinkled ............. .................... ............. ............. ............. ............. .............. ............. ............. ............. ............. ............. ...... 1-18

4.1.3

Paper is curled ............. .................... ............. ............. ............. ............. .............. .............. .............. ............. ............. ............. ............. ............. ...... 1-18

4.1.4

Paper is jjammed ammed ............. .................... .............. .............. .............. .............. ............. ............. ............. ............. ............. ............. .............. .......... ... 1-19

Troubleshooting According to Image Defect.......................................................... Defect...................................................................... ............ 1-20 4.2.1

Light.......... Light................. ............. ............ ............. ............. ............. ............. ............. ............. ............. .............. .............. ............. ............. ............. ............ ......... ... 1-20

4.2.2 4.2.3

Faulty registratio registration n ............ ................... .............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............ ..... 1-21 Dark................ Dark...................... ............. ............. ............ ............. ............. ............. ............. ............. ............. ............ ............. ............. ............. ............. ........... ..... 1-21

4.2.4

Poor fixing fixing ...... ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. .......... ... 1-22

4.2.5

Completely Completely blank................ blank........................ ............... .............. ............. ............. .............. ............. ............. ............. ............. .............. ............. ...... 1-22

4.2.6

Image distortion........ distortion............... .............. .............. ............. ............. .............. .............. .............. ............. ............. .............. ............. ............. .......... ... 1-23

4.2.7

All black................... black......................... ............. ............. ............. ............. ............. ............. ............. ............. ............. .............. ............. ............. ............. ........ 1-23

4.2.8

Dirt on the the back back of paper paper ............. .................... ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ....... 1-24

4.2.9

Vertical Vertical streaks streaks ............ ................... ............. ............. .............. ............. ............. ............. ............. .............. ............. ............. ............. ............. ......... .. 1-24

4.2.10

Black vertica verticall streaks streaks on a light light backgroun background d .............. ..................... ............. ............. ............. ............. .............. ......... 1-24

4.2.11

Black horizontal stripes ....................................................................................... ....................................................... ................................ 1-25

4.2.12

White vertical vertical streaks ............ ................... .............. ............. ............. ............. ............. .............. .............. .............. .............. .............. .......... ... 1-25

4.2.13

White horizontal horizontal streaks streaks ............. ................... ............. ............. ............. ............. ............. .............. ............. ............. ............. ............. ......... 1-26

4.2.14

Faint print ............................................................................................................ ...................................................................... ...................................... 1-26

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4.2.15

White spots............ spots.................. ............. ............. ............. .............. ............. ............. ............. ............. .............. .............. .............. .............. ............. ........ 1-27

4.2.16

Black spots spots ............ ................... ............. ............. ............. ............. .............. ............. ............. .............. ............. ............. ............. ............. ............. ........ .. 1-27

4.2.17

Black band.............. band..................... ............. ............. ............. ............. ............. ............. .............. ............. ............. ............. ............. ............. ............. ......... 1-28

4.2.18

Downward Downward fogging fogging of solid color ............. .................... ............. ............. ............. ............. .............. .............. .............. ............. ...... 1-28

4.2.19

Horizontal Horizontal lines.............. lines..................... .............. ............. ............. ............. ............. ............. ............. .............. ............. ............. ............. ............. ....... 1-28

4.2.20

Ghost.............. Ghost..................... ............. ............. ............. ............. ............. ............. .............. ............. ............. ............. ............. ............. ............. .............. ......... .. 1-29

4.2.21

Fogging Fogging .............. .................... ............. ............. ............. ............. ............. ............. ............. .............. ............. ............. .............. ............. ............. ............ ..... 1-29

4.3

Troubleshooti Troubleshooting ng for for Software Software Problems Problems .............. ..................... ............. ............. .............. .............. .............. ............. ............. .............. ......... 1-30 4.3.1 Cannot print data................ data....................... ............. ............. .............. .............. .............. .............. ............. ............. ............. ............. .............. ....... 1-30

4.4

Troubleshooti Troubleshooting ng for Toner Toner and Drum Problems Problems .............. ..................... .............. ............. ............. .............. .............. .............. ......... .. 1-31

4.5

4.4.1 4.4 .1

Replac Replaced ed the toner toner cart cartrid ridge ge with with a new one but still still see seeing ing LED display prompting toner cartridge replacement. .......................................... 1-31

4.4.2 4.4 .2

Toner Toner cartridge cartridge cannot cannot be detected detected .... ........ ....... ...... ....... ....... ...... ....... ....... ...... ....... ....... ...... ....... ....... ...... ....... ....... ...... ....... .... 1-3 1-31 1

4.4.3

Faile Failed d to detect toner cartridge...... cartridge............. .............. .............. .............. ............. ............. .............. .............. ............. ............. ......... .. 1-31

4.4.4

Drum error....... error .............. .............. .............. .............. ............. ............. ............. ............. .............. ............. ............. ............. ............. ............. ............. ....... 1-32

4.4.5 4.4 .5

Drum Drum unit unit cannot cannot be detect detected. ed. .... ....... ...... ....... ........ ....... ...... ....... ........ ........ ....... ...... ....... ....... ...... ....... ....... ...... ....... ....... ...... ....... .... 1-3 1-32 2

4.4.6 4.4 .6

Replac Replace e dru drum m unit unit ((repl replaced aced the drum unit unit with with a new new o one ne but but still still see seeing ing LED display prompting toner cartridge replacement).......................................... replacement) .......................................... 1-32

Troubleshooti Troubleshooting ng for Fuser Fuser Unit Unit Problems............. Problems................... .............. .............. ............. .............. .............. ............. ............. .............. ....... 1-33 4.5.1

4.6

Troubleshooti Troubleshooting ng for Laser Unit Problems Problems .............. ..................... ............. ............. .............. .............. ............. ............. .............. ............. ...... 1-33 4.6.1

4.7

Fuser unit failure........ failure.............. ............. .............. .............. ............. ............. ............. ............. .............. ............. ............. ............. ............. ........... .... 11-33 33 Laser unit failure............. failure................... ............. ............. ............. ............. ............. .............. ............. ............. ............. ............. .............. ............. ...... 1-33

Troubleshooti Troubleshooting ng for Other Problems..... Problems............ .............. ............. ............. .............. ............. ............. .............. .............. ............. ............. .......... ... 1-34 4.7.1 4.7 .1

Machin Machine e does not not turn turn ON or LED does does not not light light ...... ......... ....... ........ ....... ...... ....... ....... ....... ....... ...... ....... ....... ..... 1-3 1-34 4

4.7.2

Top cover is open............... open...................... .............. .............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ........ .. 1-34

4.7.3 4.7 .3

Unusua Unusuall noise is coming coming from the machine... machine...... ....... ....... ...... ....... ....... ...... ....... ....... ....... ....... ...... ....... ....... ...... ....... .... 1-3 1-34 4

4.7.4

Memory failure........ failure............... ............. ............. ............. ............. .............. ............. ............. ............. ............. ............. ............. .............. ............. ........ 1-35

4.7.5

Print failure failure ............ ................... ............. ............. .............. .............. .............. .............. ............. ............. ............. ............. ............. ............. ............. ........ 1-35

4.7.6

Paper size failure......... failure................ ............. ............. ............. ............. ............. ............. .............. .............. ............. ............. ............. ............. ......... .. 1-35

4.7.7

Main motor failure........ failure............... ............. ............. .............. ............. ............. ............. ............. .............. ............. ............. .............. ............. ........ .. 1-35

4.7.8 4.7 .8

Power Power supply supply voltag voltage e failur failure e ... ...... ....... ....... ...... ....... ....... ...... ....... ....... ...... ....... ....... ...... ....... ....... ...... ....... ....... ...... ....... ........ ........ ...... 1-3 1-35 5

4.7.9 4.7 .9

High High voltag voltage e power power supply supply PCB failure...... failure.......... ....... ...... ....... ....... ....... ....... ...... ....... ....... ...... ....... ....... ....... ....... ....... ...... .. 1-3 1-36 6

4.7.10

Main PCB failur failure e ............. ................... ............. .............. .............. ............. ............. ............. ............. .............. ............. ............. .............. ........... .... 1-36

DISASSEMBLY/REASSEMBLY BLY CHAPTER 2 DISASSEMBLY/REASSEM 1. PACKIN PACKING G ....... ............. ............. ............. ............. ............. ............. .............. .............. .............. .............. ............. ............. ............. ............. ............. ............. ............ ............ ............. ........ .. 2-1 2. TIGHTE TIGHTENING NING TORQUE LISTS ....... ............. ............. .............. ............. ............. ............. ............. ............. ............. .............. .............. ............. ............. ............. ........ 2-2 3. LUBRI LUBRICATION CATION ...... ............. ............. ............. ............. ............. ............. ............. .............. ............. ............. .............. ............. ............. ............. ............. ............. ........... ............ ......... .. 2-3 4. OVERVIE OVERVIEW W OF GEARS..... GEARS............ ............. ............. ............. ............. ............. ............. .............. ............. ............. .............. ............. ............. ............. ............. ............ ....... .. 2-3 5. HARN HARNESS ESS ROUTI ROUTING........ NG............... ............. ............. ............. ............. .............. ............. ............. ............. ............. ............. ............. ............. ............. .............. ............ ........ ... 2-4 6. DISASSE DISASSEMBLY MBLY FLOW CHART..... CHART........... ............. ............. ............. .............. ............. ............. ............. ............. .............. ............. ............. ............. ............. ......... .. 2-8 7. DISASSEMBLY DISASSEMBLY PROCED PROCEDURE............ URE................... ............. ............. ............. ............. .............. ............. ............. ............. ............. .............. .............. .............. ......... 2-9 7.1 Preparation Preparation ............. .................... .............. ............. ............. .............. ............. ............. ............. ............. ............. ............. ............. ............. .............. .............. ............. ......... ... 2-9 7.2

Back cover................. cover........................ ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............ ............. ....... 2-10

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7.3

Top cover ASSY ............. .................... ............. ............ ............. ............. ............ ............. ............. ............ ............. ............. ............ ............. ............. ............. .......... ... 2-11

7.4

Tray cover ASSY ............. ................... ............. ............. ............ ............. ............. ............ ............. ............. ............ ............. ............. ............ ............. ............. ......... ... 2-14

7.5

Side cover L.............................................................................................. L................... .................................................................................................... ......................... 2-15

7.6

Side cover R ............................................................ ...................................................................................................................... .......................................................... 2-16

7.7

Switch PCB ASSY (HL-121* (HL-121* series series /1222W)......... /1222W)................ .............. ............. ............. .............. ............. ............. .............. ............. ...... 2-17

7.8

Low voltage voltage power supply supply PCB unit .............. ..................... ............. ............. ............. ............. .............. ............. ............. ............. ............. ......... .. 2-18

7.9

Fuser unit........................................................................................ unit................. .......................................................................................................... ................................... 2-20

7.10 High voltage pow power er supply supply PCB ASSY.............................................................................. 2-21 7.11 Wireless LAN PCB (HL-121* series /1222W) .................................................................... ................................................. ................... 2-22 7.12 Main PCB ASSY ................................................................................................................ ....................................................................................... ......................... 2-23 7.13 Front cover......................................................................................................................... cover......................................................................... ................................................ 2-24 7.14 Laser unit ........................................................................................................................... ................................................................. .......................................................... 2-25 7.15 Motor encoder PCB ASSY................................................................................................. ASSY.............................................................. ................................... 2-27 7.16 Eject sensor PCB ASSY .................................................................... .................................................................................................... ................................ 2-29 7.17 Paper feed/paper printing position sensor PCB ASSY...................................................... ASSY ...................................................... 2-30 7.18 New toner sensor PCB ASSY............................................................................................ ASSY.................................................. .......................................... 2-31

AFTER CHAPTER 3 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT 1.

IF YOU REPLACE THE THE MAIN PCB ASSY ....... ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ............. .......... .... 3-1

1.1

2.

1.1.1

Checking Checking firmware firmware versi version on ............. .................... .............. ............. ............. ............. ............. ............. ............. ............. ............. ............ ..... 3-2

1.1.2

Installing Installing firmware firmware (Main program program)) ............... ...................... ............. ............. .............. ............. ............. ............. ............. ........... .... 3-2

1.2

Setting by Country ............................................................................................................... ....................................................................... ........................................ 3-3

1.3

Setting Serial Serial Number Number and Entering Entering Adjusted Adjusted Value Value of Laser Unit.... Unit.......... ............. ............. ............. .............. ......... 3-6

IF YOU REPLACE THE LASER UNIT................. UNIT........................ .............. ............. ............. .............. ............. ............. ............. ............. .............. ............ ..... 3-7

2.1 3.

Installing Firmware (Main Firmware) ................................................................................... ........................................................... ........................ 3-2

Entering Adjusted Value of Laser Unit................................................................................. Unit......... ........................................................................ 3-8

IF YOU REPLACE REPLACE THE THE LOW VOLTAG VOLTAGE E POWER SUPPL SUPPLY Y PCB UNIT........... UNIT.................. .............. .............. ........... .... 3-9

3.1

Resetting Resetting Irregular Irregular Power Supply Supply Detection Detection Counter Counter ............. .................... ............. ............. ............. ............. .............. ............ ..... 3-9

CHAPTER 4 SERVICE FUNCTIONS 1.

PRINTING PRIN TING PRINT PRINTER ER SETT SETTINGS.......... INGS................. ............. ............. .............. ............. ............. ............. ............. ............. ............. .............. .............. ............. ........ 4-1

2.

RESETTIN RESE TTING G DRUM COUNT COUNTER........ ER.............. ............. ............. ............. .............. ............. ............. ............. ............. ............. ............. ............. ............. ............. ...... 4-4

3.

SWITCHING SWIT CHING BETW BETWEEN EEN CONTINUE CONTINUE MODE AND AND STOP STOP MODE ...... ............. .............. .............. .............. ............. ............. ....... 4-4

4.

TEST TES T PRINT PRINTING ING ...... ............. .............. ............. ............. ............. ............. ............. ............. .............. .............. ............. ............. ............. ............. ............. ............. ............. .......... .... 4-5

5.

MAINTENA MAIN TENANCE NCE PRINT PRINTING ING ...... ............. ............. ............. .............. .............. ............. ............. ............. ............. ............. ............. .............. ............. ............. ............. ...... 4-7

APPEND APP ENDIX IX 1

SERIAL SER IAL NUM NUMBER BERING ING SYS SYSTEM TEM

APPEND APP ENDIX IX 2

DELETI DEL ETING NG USER USER SET SETTIN TING G INFORM INFORMATI ATION ON

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SAFETY INFORMATION  WARNING WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injuries.

 CAUTION CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injuries.

 IMPORTANT IMPORTANT indicates a potentially hazardous IMPORTANT hazar dous situation which, if not avoided, may result r esult in damage to property or loss of product functionality.

Prohibition icons indicate actions that must not be performed. Electrical Hazard icons alert you to possible electrical shock.

Fire Hazard icons alert you to the possibility of fire. Hot Surface icons warn you not to touch product parts that are hot.

Note Notes tell you how you should respond to a situation that may arise or give tips about how the operation works with other features.

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To use the Machine Safely Please keep these instructions for later reference and read them before attempting any maintenance. If you do not follow these safety instructions, there is a possibility of a fire, electrical shock, burn or suffocation.

 WARNING  ELECTRICAL HAZARDS Failure to follow the warnings in this section may create the risk of an electrical shock. In addition, you could create an electrical short, which may create the risk of a fire.

  There are high voltage electrodes inside the product. Before you access the inside of the product, including for routine maintenance such as cleaning, make sure you have unplugged the power cord from the AC power outlet. Never push objects of any kind into this product through cabinet slots, since they may touch dangerous voltage points or short out parts.

  DO NOT handle the plug with wet hands.

  DO NOT use this product during an electrical storm.

   Always make sure the plug is fully inserted. DO NOT use the product or handle the cord if the cord has become worn or frayed.

  This product should be connected to an AC power source within the range indicated on the rating label. DO NOT connect it to a DC power source or inverter.

  POWER CORD SAFETY: • Use onl only y the power cord cord supplied supplied with this this product. product. • DO NOT allow an anything ything to rest rest on the power cord. DO NOT NOT place this this product where people can walk on the cord. • DO NOT plac place e this product product in a position where where the cord becomes becomes stret stretched, ched, or where strain is otherwise put on the cord. Doing so may cause the cord to become worn or frayed. • Brother st strongly rongly recommend recommends s that you DO NOT use any type type of extension extension cord.

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  • DO NOT put a toner car cartridge tridge and drum drum unit assembly assembly into a fire. fire. It could explo explode, de, resulting in injuries. • DO NOT use flammable substances, any type of spray, spray, or an organic solvent/liquid containing alcohol or ammonia to clean the inside or outside of the product. Doing so could cause a fire or electrical shock. Instead, use only a dry, lint-free cloth.

  DO NOT attempt to operate this product with a paper jam or with stray pieces of paper inside the product. Prolonged contact of the paper with the fuser unit could cause a fire.

  DO NOT use a vacuum cleaner cleane r to clean up scattered toner. Doing this might cause the toner dust to ignite inside the vacuum cleaner, potentially starting a fire. Please carefully clean the toner dust with a dry, lint-free soft cloth and dispose of it according to local regulations.

 HOT SURFACE  After you have just used the product, some internal parts of the product will be extremely hot. Wait at least 15 minutes for the product to cool down before you touch the internal parts of the product.

(Models with Wireless LAN function only) DO NOT use the product near any medical electrical equipment. The radio wave emitted from the product may affect medical electrical equipment and cause a malfunction, which may result in a medical accident.

 CAUTION Lightning and power surges can damage this th is product! We recommend that you use a quality surge protection device on the AC power line, or unplug the machine during a lightning storm. Violently closing the top cover without mounting the toner cartridge and the drum unit can damage this product.

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Caution for Laser Product (WARNHINWEIS für Laserdrucker) CAUT CA UTIO ION: N:

In case case of any tr trou oubl ble e wit with h tthe he la lase serr u uni nit, t, re repl plac ace e tthe he la lase serr u uni nitt its itsel elf. f. To prevent direct exposure to the laser beam, do not try to open the enclosure of the laser unit.

 ACHTUNG:

Im Falle von Störungen der Lasereinheit muß diese ersetzt werden. Das Gehäuse der Lasereinheit darf nicht geöffnet werden, da sonst Laserstrahlen austreten können.



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Additional Information When servicing the optical system of the machine, be careful not to place a screwdriver or other reflective object in the path of the laser beam. Be sure to take off any personal accessories such as watches and rings before working on the machine. A reflected beam, though invisible, can permanently damage the eyes. Since the beam is invisible, the following caution in print is attached on the laser unit.

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Troubleshooting/Disasse Troubl eshooting/Disassembling/Assembling mbling/Assembling Notes • To avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance work. • Be careful no nott to lose screws, screws, washers, washers, or other parts parts removed. • Be sure to apply gr grease ease to appl applicable icable positions positions specifie specified d in this manual manual.. • When using sold soldering ering irons or other other heat-generating heat-generating tools, tools, take care not to accide accidentall ntally y damage parts such as wires, PCBs and covers. • Static electricity charged in your body may damage electronic electronic parts. When transporting PCBs, be sure to wrap them in conductive sheets. • When repla replacing cing PCBs and all all the other related related parts, parts, put on a grounding grounding wrist band and and perform the job on a static mat. Also take care not to touch the conductor sections on the flat cables or on the wire harness. • After disc disconnect onnecting ing flat cables, cables, check that each cable cable is not damaged at its end or shortcircuited. • When conne connecting cting flat cables, cables, do not insert insert them at an angle. After After inserti insertion, on, check tha thatt the cables are not inserted at an angle. • When connecting or disconnecting harnesses, hold the connector body, not the cables. If the connector is locked, release it first. • After a repair repair,, check not only the repaired portion but also harness treatment. Also check that other related portions are functioning properly. • Be careful not to close the top cove coverr forcefully forcefully without mounting mounting the toner cartridge cartridge and the drum unit. It can damage the machine. • After assembly assembly,, it is recommended to conduct a dielectric test and continuity test. • Be sure to unplug th the e AC cord before rem removing oving any cov covers ers or PCBs, adj adjusting usting the machine, or conducting continuity tests using a tester. • The insu insulation lation sheet should should not not be damaged. damaged.

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CHA APTE TER R 1 TRO ROU UBLE LES SHOO OOTI TIN NG CH 1. INTRODUCTION Troubleshooting is a collection of solution procedures that service personnel should follow if an error or malfunction occurs in the machine. It is difficult to determine troubleshooting procedures for all possible problems that may occur in the future. Therefore, this chapter describes typical problems and recovery procedures for these. These will help service personnel identify and repair other similar defective sections. Be sure to observe the Troubleshooting/Disassembling/Assembling Notes during Notes during maintenance work for troubleshooting.

1.1 1.1  

Ch Chec ecks ks be befo fore re Co Comm mmen enci cing ng T Tro roub uble lesh shoo ooti ting ng Operating environment (1) The machin machine e is placed on a flat, stable stable surface. surface. (2) The machine machine is used used in a clean environm environment ent where the the temperature temperature is 10°C 10°C (50°F) to 32.5°C (90.5°F), and the relative humidity is maintained between 20% and 80%. (3) The machine machine is not exposed exposed to direct direct sunlight, sunlight, excessi excessive ve heat, mo moisture, isture, o orr dust. (4) Hold Hold the machi machine ne le level vel w whil hile e moving moving it. it.

 

Power supply (1) Power describe described d on the rating rating label attache attached d on the machine machine is sup supplied. plied. Power Power fluctuation should be within ±10% of the rated voltage. (2) The AC input power supply is within within the the regulated regulated value. value. (3) The cables cables a and nd harnesses harnesses are connected connected correctly correctly.. (4 (4)) Th The e fuse fuses s are are not not blow blown. n.

 

Paper  (1) The recom recommend mended ed type type of paper paper is being being used. used. (2 (2)) Th The e docu docume ment nt is is not not damp. damp. (3) Short-grained Short-grained paper or acid acid paper paper is not used.

 

Consumable parts (1) The drum drum unit (includi (including ng toner cartridge) cartridge) is set set correctly correctly..

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Others (1 (1)) Cond Conden ensa sati tion on When the machine is moved to a warm room from a cold location, condensation may occur inside the machine, causing various problems as listed below. • Conden Condensation sation o on n the surface surface of optical optical devices devices such as the lens, lens, refl reflecting ecting m mirror irror and protection glass may cause light print image. • If the expo exposure sure drum drum is cold, the the electrical electrical resistanc resistance e of the phot photosensi osensitive tive lay layer er is increased, making it impossible to obtain the correct print density. • Conden Condensation sation on the charge charge unit may cause cause corona corona charge lleakage, eakage, resultin resulting g in image defects. • Conden Condensation sation on the plate may may cause cause paper paper feed feed problems. problems. If condensation has formed in the machine, leave the machine for at least two hours hour s until it reaches room temperature. If the drum unit is unpacked soon after it is moved to a warm room from a cold location, condensation may occur inside the unit which may cause printing failure. Leave the drum unit for one or two hours until it reaches room temperature, and then unpack it. (2 (2)) Lo Low w temp temper erat atur ure e The motor may not operate normally in a cold environment because too much load is applied to each drive. In this case, increase the room temperature.

 

Cleaning Use a soft lint-free cloth.

 WARNING DO NOT use NOT use any flammable spray or flammable solvent such as alcohol, benzine, or thinner to clean the machine. DO NOT use NOT use these articles near the machine.

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2. OVERVIEW 2.1

Cross-section ion D Drrawing ing

Eject roller 

Heat roller 

Eject actuator 

Developer roller 

Pressure roller  Fuser unit

Supply roller 

Corona wire Laser unit Exposure drum

Transfer roller  Back cover 

Tray cover 

Paper printing position actuator  Separation roller  Paper feed actuator L/R

Plate

Pick-up roller

Separation Pad

Fig. 1-1

1-3

 

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2.2

Paper Feeding

Feed path

Fig. 1-2

1-4

 

2.3

Operatio tion of Ea Each Part Part name

Operation

Pick-up roller

Feeds paper from the paper tray.

Separation roller / Separation pad

Separates paper fed from paper tray into single sheets.

Paper feed actuator L/R (Paper feed sensor L/R)

Determines if the sheet of paper is of printable size. Detects paper jams in the front section of the machine.

Paper printing position actuator  (Paper printing position sensor)

Detects the front edge of paper to adjust the paper printing position. Detects paper jams in the center section of the machine. Detects the front and rear edges of paper to determine the paper size.

Heat roller  Pressure roller 

Fuses the toner transferred to paper by heat and pressure, and feeds paper to the eject roller.

Eject actuator  (Eject sensor)

Determines whether paper is ejected from the fuser unit. Detects paper jams in the rear section of the machine.

Eject roller

Feeds paper to the output tray.

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2.4

Block Diagram Low voltage power supply PCB

 AC-DC converter 

Relay

TRIAC

Eject sensor PCB Eject sensor 

Halogen heater 

Paper feed/paper printing position sensor PCB Paper feed sensor 

Thermistor  (Side)

Thermistor  (Center)

Thermostat

Paper printing position sensor 

Fuser unit

Wireless LAN PCB

Main PCB

Motor driver 

 ASIC

EEPRO M

Serial ROM

Motor encoder PCB

New toner sensor PCB

Encoder 

Laser control PCB

Switch PCB LED Polygon motor 

Laser unit

High voltage power supply PCB Pick-up solenoid Main motor 

Fig. 1-3

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2.5

Main C Co omponents Side cover R

Dress cover 

Back cover 

Switch key

Paper stopper  Top cover  Paper stopper 2

Low voltage shield plate cover  High voltage power Low voltage PCB supply PCB ASSY insulation sheet

Main PCB ASSY Process cover  ASSY

Wireless LAN PCB Paper feed/paper printing position sensor PCB ASSY

Switch 

PCB

Low voltage power supply PCB unit

Laser unit

Insulation roof 

Pick-up roller holder shaft Eject sensor PCB ASSY Fuser unit

Pick-up roller

New toner PCB ASSYsensor

Drive sub ASSY

holder ASSY

Laser unit cover 

Motor encoder PCB ASSY Paper rear guide 2

Toner cartridge

Front cover 

Motor drive belt

Drum unit Side cover L

Paper rear guide 1

Tray cover  ASSY

Fig. 1-4

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3. LED DISPLAY 3.1 3.1

LE LED D Di Disp spla lay y wh when en Op Oper erat ator or Ca Call ll Oc Occu curs rs Determine the message details according to the LED display on the control panel. Refer to the page shown in the “Refer to:” column in the table below to take appropriate measures. Error LED indications are automatically cleared after measures are taken. If not automatically cleared, press the

button to reset the machine.

LED status in the table below:   Unlit

Lit

Flashing

Group A: HL-11** HL-11** series /120* series Group B: HL-121* series /1222W LED Gr Grou oupp A Gr Grou oupp B

No. of times the

LED display

Type of problem

Error LED flashes once every 0.5 seconds and stays unlit for a second.

Dot count or developer roller counter of the toner is reaching or has reached the upper limit (when setting toner continuous printing).

button is pressed to reset

Error LED flashes The number of rotations of the three times every drum unit is reaching or has 0.5 seconds and reached the upper limit. stays unlit for a second. Error LED flashes once every 0.5 seconds and stays unlit for a second.

Refer to:

N/A

4.4.1

N/A

4.4.6

Dot count or developer roller counter of the toner has reached the upper limit (when setting toner stop mode).

4.4.1

No toner cartridge

4.4.2

Dot count or developer roller counter of the toner has reached the upper limit or forced outage level when the toner continuous printing is set. Error LED flashes The paper feed sensor does not twice every 0.5 detect paper pass within the seconds and stays specified time while printing. unlit for a second. The paper printing position sensor does not detect paper pass within the specified time after the paper feed sensor detected paper pass.

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4.4.1

4.1.4

4.1.4

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Group A: HL-11** HL-11** series /120* series Group B: HL-121* series /1222W LED Gr Grou oupp A Gr Grou oupp B

No. of times the

LED display

Type of problem

button is pressed to reset

The eject sensor does not detect paper pass within the specified time after the paper printing position sensor detected paper pass. Open top cover is detected when the power is turned ON. The paper feed sensor detected that the paper set in the paper tray does not match to the specified value. Error LED flashes Dirt on corona wire of the drum three times every unit. 0.5 seconds and No drum unit set. stays unlit for a second. Error LED flashes twice every 0.5 seconds and stays unlit for a second.

Error LED flashes four times every 0.5 seconds and stays unlit for a second.

New toner sensor could not detect the new toner cartridge correctly. Top cover is open. There is insufficient memory to expand PC print data.

1-9

 

Refer to:

4.1.4

4.7.2

4.7.6

4.4.4

4.4.5

4.4.3 4.7.2 4.7.4

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3. 3.2 2

LE LED DD Dis ispl play ay wh when en Se Serv rvic ice eC Cal alll O Occ ccur urs s Two LEDs flash when unresolvable errors occur. Pressing the button allows you to identify the location of the problem based on the combination of the LED status: lit, flashing or unlit. In the event that a service call occurs, instruct end users to turn the power switch OFF and then ON again after several seconds. If the service call still occurs, refer to the page shown in the “Refer to:” column in the table below to take appropriate measures. The number in the “number of times the times the LED flashes every 0.5 seconds.

button is pressed” column indicates number of 

LED When error occurs:

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Press the button once

Press the button twice

Type of problem

Refer to:

Irregular power supply detection error  or

or

1

1

or

or

4.7.8

 1

 2

Irregular power supply detection error  (More than 100 times detected in total)

4.7.8

High voltage power supply PCB failure or

or

or

or

2

3

3

3

4.7.9

or

 1

or

 An error occurred in the fuser unit.  An error occurred in the fuser unit when the power switch was turned   1 ON or sleep mode was released. 4.5.1

or

or

1-10

 2

The center thermistor of the fuser unit detected a temperature fall greater than the specified value within the specified time.

4.5.1

 3

The center thermistor of the fuser unit detected a sharp temperature gradient greater than the specified value within the specified time.

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LED When error occurs:

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Press the button once

or

or

or

or

or

or

or

3

3

3

3

3

3

3

Press the button twice

or

or

or

or

or

or

or

3

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 4

Type of problem The center thermistor of the fuser unit detected a temperature rise greater than the specified value within the specified time.

 After the heat unit was heated normally, the center thermistor of the fuser unit detected a   5 temperature lower than the specified value.

 6

 7

 8

 9

The center thermistor of the fuser unit detected a temperature higher than the specified value.

The center thermistor of the fuser unit has not reached the specified temperature within the specified time.

When the center thermistor of the fuser unit is lower than the idle temperature, the side thermistor detected a temperature higher than the specified temperature. When the center thermistor of the fuser unit is higher than the idle temperature, the side thermistor detected a temperature lower than the specified temperature.

Detected “Heater 100% heated” continuously within the specified time while printing.   10 The hardware detected a temperature error through the center thermistor or the side thermistor of the fuser unit. Rechecking the error after the power switch was turned OFF and then ON again because an error 11 was detected by the fuser unit.

 

Refer to:

4.5.1

4.5.1

4.5.1

4.5.1

4.5.1

4.5.1

4.5.1

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LED When error occurs:

Press the button once

Press the button twice

Type of problem

Refer to:

Write error in the EEPROM of the main PCB.

Flashes every 0.5 seconds

4

1

4.7.10

DRAM failure in the main PCB Flashes every 0.5 seconds

4

4.7.4

2

Write error in the NVRAM of the main PCB

Flashes every 0.5 seconds

4

4.7.4

3

Read error in the NVRAM of the main PCB Flashes every 0.5 seconds

4

BUS error in the NVRAM of the main PCB

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

Flashes every 0.5 seconds

4.7.4

4

4

4.7.4

5

BD signal detection error of the laser unit or

5

or

4.6.1

 1

Lock signal detection error of the laser unit or

5

or

4.6.1

 2

The side thermistor of the fuser unit detected a temperature lower than the specified value when the 11 heater was ON.

5

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LED When error occurs:

Press the button once

Press the button twice

Type of problem

Refer to:

Main motor error  Flashes every 0.5 seconds

or

6

or

 1

4.7.7

Program error  Flashes every 0.5 seconds

or

7

or

4.7.10

 1

Engine control error  Flashes every 0.5 seconds

or

8

or

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4.7.10

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3.3 3.3

Er Erro rorr M Mes essa sage ges s ffor or Ma Main inte tena nanc nce eP Pri rint ntin ing g (Refer to "5. MAINTENANCE PRINTING" in chapter 4.) 4.) Refer to the page shown in the “Refer to:” column in the table below to take appropriate measures when the following error messages are displayed on maintenance printing. Error Message

Refer to:

CARTRIDGE ERROR

4.4.2, 4.4.2, 4.4.3

COOLING DOWN DRUM ! DRUM ERROR

4.7.5 4.4.4, 4.4.4, 4.4.5

DRUM END SOON

4.4.6

ERROR E51 (LASER BD MALF)

4.6.1

ERROR E52 (SCANNER MALF)

4.6.1

ERROR E54 (MOTOR MALF)

4.7.7

ERROR E55 (HIGH VOL MALF)

4.7.9

ERROR H63 (DRAM ERROR)

4.4.4,, 4.4.5 4.4.4

ERROR H66 (NV-W ERROR)

4.7.4

ERROR H67 (NV-R ERROR)

4.7.4

ERROR H68 (NV-B ERROR)

4.7.4

ERROR H75 (ZEROCROSS ERROR)

4.7.8

ERROR S01 (MAIN PCB ERROR)

4.7.10

JAM INSIDE 1

4.1.4

JAM INSIDE 2

4.1.4

JAM INSIDE 3

4.1.4

JAM TRAY

4.1.4

MEMORY FULL

4.7.4

NO DRUM

4.4.5

NO PAPER

4.1.1

NO TONER

4.4.2

PRINT UNABLE ZC (ZEROCROSS ERROR)

4.7.8

REPLACE DRUM

4.4.5

REPLACE TONER

4.4.1

TONER ENDED

4.4.6

TONER LOW TOP COVER OPEN

4.4.1 4.7.2

WRONG PAPER TYPE

4.7.6

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3.4 3.4

Er Erro rorr Di Disp spla lay y wh when en Se Serv rvic ice e Ca Call ll Oc Occu curs rs If the LED for service call is not lit, acquire error status by performing Printer Setting print or  Maintenance printing. If printing is not operable, use status monitor to acquire Status code. Error indication Error indication (Printer Settings print) (Maintenance printing)

Status code

ERROR S01 ERROR E49

ERROR S01 FUSER MF 2

40057 50010

ERROR E50 SELF-DIAGNOSTIC ERROR E51

FUSER MF FUSER ERR LASER BD MALF

50003 50076 50004

ERROR E52 ERROR E54 ERROR E55

SCANNER MALF MOTOR MALF HIGH VOL MALF

50005 60004 50000

ERROR ERROR ERROR ERROR ERROR

ERROR H63 NV-W ERROR NV-R ERROR NV-B ERROR ERROR H75

50002 30035 30035 30035 60030

PR PRIINT UN UNAB ABL LE Z ZC C

6018 182 2

H63 H66 H67 H68 H75

PRIINT UN PR UNAB ABL LE Z ZC C

Type of problem Main PCB failure Fuser unit failure

Refer to: 4.7.10 4.5.1 4.5.1 4.5.1

Laser beam detection error  Scanner motor failure Main motor failure High voltage power supply PCB failure Main PCB failure

Irregular power supply detection error 2 Ir Irrregular power ower supply

4.6.1 4.6.1 4.7.7 4.7.9 4.4.4 4.4.4,, 4.4.5 4.7.4 4.7.4 4.7.4 4.7.8 4.7.8

detection error 1 

How to Display Status Code with Status Monitor  (1) Connect Connect the computer computer to the the machine machine with with the USB cable. cable. (2) Double-clic Double-click k the S Status tatus Monitor Monitor on the the computer computer screen. screen. Dialog box below appears.

(3) Double Double-cl -click ick the the Statu Status s Monitor Monitor icon. icon. Log data below appears. Check Status fields.

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3.5

Image Defects

Light

Faulty registration

Dark

Poor fixing

Completely blank

Vertical streaks

Dirt on the back of paper 

Image distortion

All black

Black vertical streaks on a light background

Black horizontal stripes

White vertical streaks

White horizontal streaks

Faint print

White spots

Black spots

Black band

Downward fogging of solid color 

Horizontal lines

Ghost

Fogging

Fig. 1-5

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4. ERROR CAUSE AND REMEDY 4.1 4.1

Troub rouble lesh shoo ootin ting g fo forr Pa Pape perr Fe Feed edin ing g Pr Prob oble lems ms End users can solve problems related to paper feeding as long as they follow the User Check items. If the problem still cannot be solved, implement each procedure according to the step numbers in the tables below.

4.1.1 4.1 .1 No pape paperr is fed fed from from paper paper tray tray - Check that the paper paper is set in the paper tray correct correctly ly.. - Check that that there is not too much paper paper set in the paper paper tray. tray. - Flip over the paper in the paper paper tray or rotate the paper 180 degr degrees. ees. - Check that the thickness thickness of the paper is within within the standard. standard. - Check that that the size of the paper paper is within the st standard. andard. - Flip through through the paper and and reset it in the paper paper tray tray.. Step

Cause

Remedy

1

Fore Foreig ign no obj bjec ectt iins nsid ide e tthe he machi achin ne

Remo Remove ve the the for forei eign gn obje object ct..

2

Gears around the plate up plate coming off 

Reattach gears around the plate up plate.

3

 Attachment failure of the motor drive belt

Reattach the motor drive belt.

4

 Attachment failure of the laser shutter arm

Reattach the laser shutter arm.

5

Connection failure of the main motor harness

Reconnect the main motor harness.

6

Connection failure of the motor encoder PCB flat cable

Reconnect the motor encoder PCB flat cable.

7

Connection failure of the pick-up solenoid harness

Reconnect the pick-up solenoid harness.

8

Motor encoder PCB failure

Replace the motor encoder PCB ASSY.

9

Low voltage power supply PCB failure

Replace the low voltage power supply PCB unit.

10

Laser unit failure

Replace the laser unit.

11

Main PCB failure

Replace the main PCB ASSY.

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4. 4.1. 1.2 2 Pape Paperr be beco come mes s wrink wrinkle led d - Check that the paper paper is set in the paper tray correct correctly ly.. - Flip over the paper in the paper paper tray or rotate the paper 180 degr degrees. ees. - Adjust the paper paper guide accordin according g to the paper size. size. - Check that the thickness thickness of the paper is within within the standard. standard. - Check that that the paper paper is not not damp. - Check that that there is no no dust on the fuser fuser unit. unit. - Check whether whether the paper paper type is appropriate. appropriate. Step 1

Cause

Remedy

Fuser unit failure

Replace the fuser unit.

4. 4.1. 1.3 3 Pape Paperr is curl curled ed - Select “Reduce “Reduce Paper curl curl mode” in the driver driver.. - Check that the thickness thickness of the paper is within within the standard. standard.

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4. 4.1. 1.4 4 Pape Paperr iis s jam jamme med d  

Paper is jammed in the paper tray section - Rotat Rotate e the paper 180 degrees degrees in the paper paper tray. tray. - Flip throu through gh the paper and and reset it in the paper paper tray tray.. - Check that the thic thickness kness of the paper is within within the standard. standard. - Check tha thatt there is no label stuck stuck in the paper paper feed path.

 

Step

Cause

Remedy

1

Foreign object in the front of the machine

Remove the foreign object. Check for labels stuck on the side or bottom of parts. Reattach the paper feed actuator L/R.

2

Paper feed actuator L/R coming off or caught in sections of the machine

3

Connection failure of the paper feed/paper printing position sensor PCB harness

Reconnect the paper feed/paper printing position sensor PCB harness.

4

Paper feed/paper printing position sensor PCB failure

Replace the paper feed/paper printing position sensor PCB ASSY.

5

Main PCB failure

Replace the main PCB ASSY.

Paper is jammed in the paper eject path - Rotat Rotate e the paper 180 degrees degrees in the paper paper tray. tray. - Check that the thic thickness kness of the paper is within within the standard. standard. - Check tha thatt there is no label stuck stuck in the paper paper feed path. Step

Cause

Remedy

1

Top cover is not closed

Close the top cover.

2

Foreign object in the rear of the machine

Remove the foreign object. Check for labels stuck on the side or bottom of parts.

Eject actuator caught in sections of the machine

Reattach the eject actuator.

3 4

Connection failure of the eject sensor PCB harness

Reconnect the eject sensor PCB harness.

5

Eject sensor failure

Replace the eject sensor PCB ASSY.

6

Connection failure of the paper feed/paper printing position sensor PCB harness

Reconnect the paper feed/paper printing position sensor PCB harness.

7

Paper feed/paper printing position sensor PCB failure

Replace the paper feed/paper printing position sensor PCB ASSY.

8

Fuser unit failure

Replace the fuser unit.

9

Main PCB failure

Replace the main PCB ASSY.

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4.2 4.2

Troub rouble lesh shoo ootin ting g Ac Acco cord rdin ing g to Im Imag age eD Def efec ectt End users can solve problems related to image defects as long as they follow the User Check items. If the problem still cannot be solved, implement each procedure according to the step numbers in the tables below.

4.2.1 Light - hot-humid Check the or usage env environme ironment nt of can the machine. the mach machine ine in cold-dry conditions cause thisUsing problem. - If the whole page is light, toner save mode may be ON. T Turn urn OFF the toner save mode. - Adjust the de density nsity using using the Density Density Adjustment. Adjustment. - Replac Replace e the drum unit unit with a new new one. - Replac Replace e the toner cartrid cartridge ge with a new one. one.

 

Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to the figure below.)

2

Fuser unit failure

Replace the fuser unit.

3

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

4

Laser unit failure

Replace the laser unit.

5

Main PCB failure

Replace the main PCB ASSY.

Electrodes location of the toner cartridge and drum unit

Fig. 1-6  

Electrodes location of the machine

Fig. 1-7

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4. 4.2. 2.2 2 Faul Faulty ty regi regist stra rati tion on - Check that the appropria appropriate te paper type is selected selected in the driver.

Step

Cause

Remedy

 Adjusted value of the laser unit is incorrect.

Refer to “2.1 Entering Adjusted Value of Laser Unit” in Chapter 3, 3, and enter the adjusted value of the laser unit again.

2

Paper printing position actuator caught in sections of the machine

Reattach the paper printing position actuator.

3

Laser unit failure

Replace the laser unit.

1

4.2.3 Dark - Check the usage env environme ironment nt of the machine. Using the mach machine ine in hot-humid or cold-dry conditions can cause this problem. - Clean th the e corona wire wire of the drum drum unit. - If a new toner car cartridge tridge has been been set, check check that it was not repl replaced aced with a used toner cartridge. - Replac Replace e the drum unit unit with a new new one. - Replac Replace e the toner cartrid cartridge ge with a new one. one. Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to Fig. 1-6  1-6 and Fig. 1-7 1-7.) .)

2

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

3

Laser unit failure

Replace the laser unit.

4

Main PCB failure

Replace the main PCB ASSY.

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4.2 .2.4 .4 Poor oor fix fixin ing g - Check the usage env environme ironment nt of the machine. Using the mach machine ine in hot-humid or cold-dry conditions can cause this problem. - Clean th the e corona wire wire of the drum drum unit. - Replac Replace e the drum unit unit with a new new one. - Replac Replace e the toner cartrid cartridge ge with a new one. one. Step

Cause

Remedy

1

Fuser unit failure

Replace the fuser unit.

2

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

3

Laser unit failure

Replace the laser unit.

4

Main PCB failure

Replace the main PCB ASSY.

5

Low voltage power supply PCB failure

Replace the low voltage power supply PCB unit.

4. 4.2. 2.5 5 Comp Comple lete tely ly bl blan ank k - Clean th the e corona wire wire of the drum drum unit. - Replac Replace e the drum unit unit with a new new one. - Replac Replace e the toner cartrid cartridge ge with a new one. one.

Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine, and dirt on ground wire.

Clean the electrodes of the drum unit and those of the machine, and the grounding wire. (Refer to Fig. 1-6 1-6 and  and Fig. 1-7.) 1-7.)

2

Laser unit attachment failure

Reattach the laser unit.

3

Connection failure of the laser unit flat cable

Reconnect the laser unit flat cable.

4

Connection failure of the high voltage PCB flat cable

Reconnect the high voltage PCB flat cable.

5

Disconnection of the laser unit flat cable

Replace the laser unit flat cable.

6

Laser unit failure

Replace the laser unit.

7

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

8

Main PCB failure

Replace the main PCB ASSY.

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4. 4.2. 2.6 6 Imag Image e disto distort rtio ion n

Step 1

Cause

Remedy

La Lase serr un unit it at atta tach chme ment nt fa fail ilur ure e

Re Reat atta tach ch the the la lase serr u uni nit, t, an and d firm firmly ly tigh tighte ten n the screws.

2

Dirt on high-voltage electrodes and Clean the high-voltage electrodes and electrodes of the machine electrodes of the machine.

3

Laser unit FG plate attachment failure (not grounded correctly)

Retighten the screws to secure the laser unit FG plate.

4

Laser unit failure

Replace the laser unit.

5

Main PCB failure

Replace the main PCB ASSY.

4.2 .2.7 .7 All bla blac ck - Clean th the e corona wire wire of the drum drum unit. - Replac Replace e the drum unit unit with a new one.

Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to Fig. 1-6 1-6 and  and 1-7.) Fig. 1-7.)

Connection failure of the laser unit flat cable

Reconnect the laser unit flat cable.

Laser unit FG plate attachment

Check the contact of the laser unit FG plate, p late,

failure (not grounded correctly) High voltage power supply PCB failure

and retighten the screws. Replace the high voltage power supply PCB  ASSY.

5

Laser unit failure

Replace the laser unit.

6

Main PCB failure

Replace the main PCB ASSY.

2 3 4

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4. 4.2. 2.8 8 Di Dirt rt on on the the back back of of pap paper  er  - This problem problem may disappear after after printing printing multiple multiple sheets of paper. - Replace Replace the toner cartridg cartridge e with a new one. one.

Step 1 2

Cause Dirt on paper feed system

Wipe off the dirt.

Remedy

Dirt on the fuser unit

Replace the fuser unit.

4. 4.2. 2.9 9 Ver erti tica call str strea eaks ks - Clean the inside inside of the machine machine and the corona corona wire of the drum unit. - Retur Return n the cor coron ona a wire wire cle clean anin ing g tab tab to the the “

” posi positi tion. on.

- This problem problem may disappear after after printing printing multiple multiple sheets of paper. - Replace Replace the drum drum unit with with a new one. - Replace Replace the toner cartridg cartridge e with a new one. one. Step

Cause

Remedy

1

 Attachment failure of the FG harness or FG plate (not grounded correctly)

Retighten the screws to secure the FG harness or FG plate.

2

Scratch or dirt on the heat unit

Replace the fuser unit.

Note: • If the machine prints the same pattern continuously, continuously, especially a pattern including vertical streaks, black vertical streaks may appear on the paper because the electrostatic performance of the exposure drum has lowered temporarily.

4.2.10 Black vertical vertical streaks streaks on a light background - Clean the ins inside ide of the machine machine and the corona corona wire of the drum unit. - Replac Replace e the drum unit unit with a new new one. - Replac Replace e the toner cartrid cartridge ge with a new one. one.

Step

Cause

Remedy

1

Dirt on paper feed system

Wipe off the dirt.

2

Scratch or dirt on the heat unit

Replace the fuser unit.

3

Foreign object in the laser unit

Replace the laser unit.

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4.2.11 4.2.1 1 Black Black horizontal horizontal stripes - Clean the ins inside ide of the machine machine and the corona corona wire of the drum unit. - This problem may disappear after printing multiple sheets of p paper. aper. - Replac Replace e the toner cartrid cartridge ge with a new one. one. - Replac Replace e the drum unit unit with a new new one. Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to Fig. 1-6 1-6 and  and 1-7.) Fig. 1-7.)

2

Dirt on electrodes of the toner Clean the electrodes of the toner cartridge cartridge and those of the machine and those of the machine. (Refer to Fig. 1-6 1-6   1-7.) .) and Fig. 1-7

3

 Attachment failure of the FG Retighten the screws to secure the FG harness or FG plate (not grounded harness or FG plate. correctly)

4

Scratch or dirt on the heat unit

Replace the fuser unit.

High voltage power supply PCB

Replace the high voltage power supply PCB

failure Main PCB failure

 ASSY. Replace the main PCB ASSY.

5 6

Image defects which appear periodically may be caused by failure of rollers. Refer to the table below and determine the responsible roller based on the pitch at which defects appear on the image.

Developer roller

ø 13 mm

Pitch at which defects appear in the image 26.0 mm

Transfer roller Exposure drum Heat roller Pressure roller

ø 13 mm ø 24 mm ø 25 mm ø 25 mm

38.0 mm 75.4 mm 78.5 mm 78.5 mm

Part name

Diameter  

4.2.12 4.2.1 2 White vertical vertical streaks streaks - Check that that there is no dust in the gap between between the toner toner cartridge cartridge and drum unit. - Replace Replace the toner cartridg cartridge e with a new one. one. - Check the usage environmen environmentt of the machine. Using the machine machine in hot-humid or cold-dry conditions can cause this problem. - Check that that the paper paper is not damp. damp. - Leave the machine machine for a while while before printing printing again. again. - Replace Replace the drum unit unit with a new new one. Step 1

Cause

Remedy

Laser unit failure

Replace the laser unit.

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4.2.13 4.2.1 3 White horizont horizontal al streaks - This problem may disappear after printing multiple sheets of paper paper.. When the machine has not been used for long periods of time, try printing several sheets of paper. - Replac Replace e the drum unit unit with a new new one. - Replac Replace e the toner cartrid cartridge ge with a new one. one. Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to Fig. 1-6 1-6 and  and 1-7.) Fig. 1-7.)

2

Dirt on electrodes of the toner Clean the electrodes of the toner cartridge cartridge and those of the machine and those of the machine. (Refer to Fig. 1-6 1-6   1-7.) .) and Fig. 1-7

3

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

4.2.14 4.2.1 4 Faint Faint print - Check th that at the machine machine is positioned positioned on a level surf surface. ace. - Repla Replace ce the toner toner cartridge cartridge with a new new one. - Repla Replace ce the drum drum unit with with a new one.

Step

Cause

Remedy

1

Fuser unit failure

Replace the fuser unit.

2

Laser unit failure

Replace the laser unit.

3

Main PCB failure

Replace the main PCB ASSY.

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4.2.15 4.2 .15 White White spots spots - Turn ON the powe powerr switch, then open the top cover cover.. Leave the machine for a while to remove condensation.

- Replac Replace e the toner cartrid cartridge ge with a new one. one. - Replac Replace e the drum unit unit with a new new one. - Refer to the User's User's Guide to remove the dirt from the exposure exposure drum.

Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and 1-6 and  and those of the machine. (Refer to Fig. 1-6 1-7.) Fig. 1-7.)

2

Dirt on electrodes of the toner Clean the electrodes of the toner cartridge cartridge and those of the machine and those of the machine. (Refer to Fig. 1-6 1-6   1-7.) .) and Fig. 1-7

3

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

4

Main PCB failure

Replace the main PCB ASSY.

4.2.16 4.2 .16 Black Black spots spots - This problem may disappear after printing multiple sheet sheets s of paper paper.. When the machine has not been used for long periods of time, try printing several sheets of paper.

- Replace Replace the toner cartridg cartridge e with a new one. one. - Replace Replace the drum unit unit with a new new one. - Refer to the User's User's Guide to remove the dirt from the exposure exposure drum.

Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to Fig. 1-6 1-6 and  and Fig. 1-7.) 1-7.)

Dirt on electrodes of the toner

Clean the electrodes of the toner cartridge

2

1-6   cartridge and those of the machine and those of the machine. (Refer to Fig. 1-6 and Fig. 1-7 1-7.) .)

3

Scratch or dirt on the heat unit, or dirt on the pressure roller 

Replace the fuser unit.

4

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

5

Main PCB failure

Replace the main PCB ASSY.

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4.2.17 4.2.1 7 Black Black band - This problem may disappear after printing multiple sheets of paper paper.. When the machine has not been used for long periods of time, try printing several sheets of paper. - Replac Replace e the toner cartrid cartridge ge with a new one. one. - Replac Replace e the drum unit unit with a new new one. Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to Fig. 1-6 and 1-6 and 1-7.) Fig. 1-7.)

2

Dirt on electrodes of the toner Clean the electrodes of the toner cartridge cartridge and those of the machine and those of the machine. (Refer to Fig. 1-6 1-6   1-7..) and Fig. 1-7

3

Scratch or dirt on the heat unit or, dirt on the pressure roller 

Replace the fuser unit.

4

Main PCB failure

Replace the main PCB ASSY.

4.2.18 4.2.1 8 Downward Downward fogging fogging of solid color  - Replace Replace the toner cartridg cartridge e with a new one. one. - Replace Replace the drum unit unit with a new new one.

Step

Cause

Remedy

1

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

2

Main PCB failure

Replace the main PCB ASSY.

4.2.19 4.2.1 9 Horizont Horizontal al lines - Repla Replace ce the toner toner cartridge cartridge with a new new one. - Repla Replace ce the drum drum unit with with a new one.

Step

Cause

Remedy

1

Fuser unit failure

Replace the fuser unit.

2

Laser unit failure

Replace the laser unit.

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4.2.20 4.2 .20 Ghost Ghost - Check the usage env environme ironment nt of the machine. Using the mach machine ine in hot-humid or cold-dry conditions can cause this problem. - Check that the appropriate paper type is selected in the driver. driver. - Replac Replace e the drum unit unit with a new new one. - Turn the “Improve Toner Fixing” setting of the “Improve Print Output” ON in the driver. Step

Cause

Remedy

1

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

2

Main PCB failure

Replace the main PCB ASSY.

4.2.21 4.2 .21 Foggin Fogging g - Check the usage env environmen ironmentt of the machine. Using the machine machine in hot-humid or cold-dry conditions can cause this problem. - This problem may disappear after printing multiple sheets of paper paper.. - Replac Replace e the drum unit unit with a new one. - Replac Replace e the toner cartridg cartridge e with a new one. one. - Do not use acid acid paper paper.. Step

Cause

Remedy

1

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

2

Main PCB failure

Replace the main PCB ASSY.

Note: • This prob problem lem tends to occur occur when the life of the drum unit or tone tonerr cartridg cartridge e is expiring. expiring.

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4.3 4.3

Troub rouble lesh shoo ootin ting g ffor or So Sofftw twar are eP Pro robl blem ems s End users can solve problems related to software, for instance, printing is not possible from a computer although test print or Printer Settings print can be performed from the machine, as long as they follow the User Check items. If the problem still cannot be solved, implement each procedure according to the t he step numbers in the tables below.

4. 4.3. 3.1 1 Cann Cannot ot prin printt dat data a - Check th that at the USB cable cable is not damaged damaged.. - When using an inter interface face switch, switch, check that the corre correct ct machine is sele selected. cted. - Check the re relevant levant section section in the User's User's Guide. Guide. - Check the driver driver settings settings.. - Reset the mach machine ine to the default settings. settings. (Refer (Refer to the User's Guide.) Step 1 2 *

Cause

Remedy

Machine connection

For Macintosh, check the Product ID*. When it is wrong, update the firmware.

Main PCB failure

Replace the main PCB ASSY.

Check the Product ID on a Macintosh according to the following procedure:

(1) Select Select “A “Abou boutt This Mac” Mac” from from the “Apple “Apple”” menu. menu. (2) Press the the “More Info... Info...”” button in the “About “About This This Mac” dialog dialog b box. ox. (3) Select “USB” “USB” at the bottom bottom of “Hardware” “Hardware” iin n the “Content” “Content” on the the left si side de of the scre screen. en. (4) Select Select “HL-XXX “HL-XXXX” X” in the “U “USB SB Device Device Tree Tree”. ”. (5) Check Check the the “Produc “Productt ID” under under “HL“HL-XXXX” XXXX”.. Product ID (hexadecimal) • HLHL-1 1110 : 0054h 0054h • HLHL-1 1111 : 0054h 0054h • HLHL-1 1112 : 0054h 0054h • HLHL-1 1118 : 0054h 0054h • HL HL-12 -1200 00 : 0074 0074h h • HL HL-12 -1201 01 : 0074 0074h h • HL HL-12 -1202 02 : 0074 0074h h • HL HL-12 -1208 08 : 0073 0073h h • HL HL-12 -1210 10 : 006Ah 006Ah • HL HL-12 -121 11 : 006Ah 006Ah • HL HL-12 -1212 12 : 006Ah 006Ah • HL HL-12 -1218 18 : 006Bh 006Bh • HL HL-12 -1222 22 : 006Ah 006Ah

 

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4.4 4.4

Troub rouble lesh shoo ootin ting g fo forr T Ton oner er a and nd D Dru rum m Pr Prob oble lems ms

4.4.1 Replaced Replaced the the toner toner cartridge cartridge with with a new one one but still still seeing seeing LED displa display y prompting toner cartridge replacement. - Check tha thatt a new (not used) toner toner cartridge cartridge is set. Step

Cause

Remedy

1

Connection failure of the motor encoder PCB flat cable

Reconnect the motor encoder PCB flat cable.

2

Connection failure of the new toner Reconnect the new toner sensor PCB sensor PCB harness harness.

3

Motor encoder PCB failure

Replace the motor encoder PCB ASSY.

4

New toner sensor failure

Replace the new toner sensor PCB ASSY.

5

Main PCB failure

Replace the main PCB ASSY.

4.4.2 4.4 .2 Toner oner cartri cartridge dge canno cannott be detec detected ted - Set the toner car cartridge tridge correctl correctly y. Step 1

Cause Connection failure of the motor encoder PCB flat cable

Remedy Reconnect the motor encoder PCB flat cable.

2

Connection failure of the new toner Reconnect the new toner sensor PCB sensor PCB harness harness.

3

Motor encoder PCB failure

Replace the motor encoder PCB ASSY.

4

New toner sensor failure

Replace the new toner sensor PCB ASSY.

5

Main PCB failure

Replace the main PCB ASSY.

4.4.3 4.4 .3 Failed Failed to to detec detectt toner toner cart cartrid ridge ge Step

Cause

Remedy Reattach the new toner actuator.

1

The power switch was turned OFF or the top cover was opened while a new toner cartridge was being detected.

2

New toner sensor PCB failure

Replace the new toner sensor PCB ASSY.

3

Main PCB failure

Replace the main PCB ASSY.

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4.4 .4.4 .4 Drum er errror  - Clean th the e corona wire wire of the drum drum unit. - Replac Replace e the drum unit with a new one, and reset the drum counter. counter. Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to  to Fig. 1-6 and 1-6 and 1-7.) Fig. 1-7.) Reconnect the high voltage PCB harness.

2

Connection failure of the high voltage PCB harness

3

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

4

Main PCB failure

Replace the main PCB ASSY.

4.4.5 4.4 .5 Drum Drum unit unit ca canno nnott be detec detected ted.. - Set the drum drum unit correctly correctly.. Step

Cause

Remedy

1

Dirt on electrodes of the drum unit and those of the machine

Clean the electrodes of the drum unit and those of the machine. (Refer to Fig. 1-6 and 1-6 and Fig. 1-7.) 1-7.)

2

Connection failure of the high voltage PCB harness

Reconnect the high voltage PCB harness.

3

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

4

Main PCB failure

Replace the main PCB ASSY.

4.4.6 Replace Replace drum drum unit (repla (replaced ced the drum drum unit unit with a new one one but still still seeing seeing LED display prompting toner cartridge replacement) - Replace the drum unit with a new one, and reset the the drum counter. counter. Step 1

Cause Main PCB failure

Remedy Replace the main PCB ASSY.

 

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4.5 4.5

Troub rouble lesh shoo ooti ting ng for for F Fus user er Un Unit it Pr Prob oble lems ms

4. 4.5. 5.1 1 Fuse Fuserr unit unit failu failure re Step

Cause

Remedy

1

Connection failure of the center Reconnect the center thermistor harness of thermistor harness of the fuser unit the fuser unit.

2

Connection failure of the side thermistor harness

Reconnect the side thermistor harness.

3

Connection failure of the low voltage PCB harness

Reconnect the low voltage PCB harness.

4

Connection failure of the heater harness of the fuser unit

Reconnect the heater harness of the fuser unit.

5

Low voltage power supply PCB failure

Replace the low voltage power supply PCB unit.

6

Fuser unit failure

Replace the fuser unit.

7

Main PCB failure

Replace the main PCB ASSY.

Note: • Turn th the e power switch switch OFF and then back ON again. again. Leave the the machine for approximately 15 minutes to cool the heater. This problem may have then been solved. • However, Errors of the fus fuser er unit can be reset resetisby the following followwhile ing operation. operat ion. has not cooled down, note that if this operation performed the heater the fuser unit may melt. (1) Check that the power switch switch is turned OFF. Press and hold the button and check that the Ready and Error LEDs are lit. Then open the top cover and check that the Error LED goes out and only the Ready LED is lit. (2) Take out the drum unit and and check that the Error LED is lilit. t. Check that the Ready Ready and Error LEDs are lit and release the

button. Check that all LEDs go out.

(3) Set the drum drum unit and close close the top top cover.

4.6 4.6

(4) Press the

button twice. Check that the Error LED is lit.

(5) Press the

button once to start the maintenance maintenance printing. printing.

Troub rouble lesh shoo ootin ting g ffor or La Lase serr U Uni nitt P Pro robl blem ems s

4. 4.6. 6.1 1 Lase Laserr unit unit fail failur ure e - Turn ON the power power switch, then open the top cover cover.. Leave the machine for a while to remove condensation. Step

Cause

Remedy

1

Connection failure of the laser unit flat cable

Reconnect the laser unit flat cable.

2

Connection failure of the polygon motor harness

Reconnect the polygon motor harness.

3

Laser unit failure

Replace the laser unit.

4

Main PCB failure

Replace the main PCB ASSY.

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4. 4.7 7

Tro roub uble lesh shoo ooti ting ng ffor or O Oth ther er P Pro robl blem ems s

4.7.1 Machine Machine does not turn ON or or LED does not light light - Press and hold the

button and check if the machine machine turns ON.

- Plug the AC cord into into a socket. socket. Step

Cause

Remedy

1

Connection failure of the high voltage PCB harness

Reconnect the high voltage PCB harness.

2

Connection failure of the low voltage PCB harness

Reconnect the low voltage PCB harness.

LED failure

Replace the high voltage power supply PCB  ASSY.

4

Low voltage power supply PCB failure

Replace the low voltage power supply PCB unit.

5

Main PCB failure

Replace the main PCB ASSY.

3

4. 4.7. 7.2 2 Top cove coverr iis s ope open n Detected that the top cover was open by BD (beam detect sensor) in the laser unit. - Close Close the top top cover cover.. Step

Cause

Remedy

1

Connection failure of the laser unit flat cable

Reconnect the laser unit flat cable.

2

Connection failure of the eject sensor PCB harness

Reconnect the eject sensor PCB harness.

3

Connection failure of the paper Reconnect the paper feed/paper printing feed/paper printing position sensor position sensor PCB harness. PCB harness

4

Eject actuator caught in sections of Reattach the eject actuator. the machine Replace the top cover ASSY.

5

The rib inside the top cover (which presses the eject actuator or laser shutter arm) is broken.

6

Eject sensor failure

Replace the eject sensor PCB ASSY.

7

Paper feed/paper printing position sensor PCB failure

Replace the paper feed/paper printing position sensor PCB ASSY.

8

Faulty laser shutter arm of the laser Replace the laser unit. unit

9

Main PCB failure

Replace the main PCB ASSY.

4.7.3 4.7 .3 Unusua Unusuall noise noise is comin coming g from from the mac machin hine e Step

Cause

Remedy

1

Possible cause differs depending When the location with the problem is on the location. Identify the location identified, check if there is a foreign object with the problem first. around that location (replace the parts around the location if necessary).

2

Insufficient grease on parts

Re-grease the parts.

3

Bent or defective part

Replace the part.

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4. 4.7. 7.4 4 Memo Memory ry fa fail ilur ure e - Print the print print data stored stored in the memory. memory. - Reduce the the complexity complexity or resolution resolution of the data. data. - Divide Divide the data and print them separately separately.. Step 1

Cause Main PCB failure

Remedy Replace the main PCB ASSY.

4. 4.7. 7.5 5 Prin Printt fa fail ilur ure e - Check that the maximum maximum printable printable page number number has not been exceeded. exceeded. - Turn the the power switch switch OFF and then back ON again. again. Step 1

Cause Main PCB failure

Remedy Replace the main PCB ASSY.

4. 4.7. 7.6 6 Pape Paperr size size fail failur ure e - Set A4 or letter size size paper in the paper paper tray. tray. Step

Cause

Remedy

1

Pape Paperr fe feed ed a act ctua uato torr L/R L/R comi coming ng off off Reat Reatta tach ch tthe he p pap aper er fee feed d actu actuat ator or L L/R /R..

2

Connection failure of the paper Reconnect the paper feed/paper printing feed/paper printing position sensor position sensor PCB harness. PCB harness

3 4

Paper feed sensor ffa ailure

Replace the p pa aper feed/paper printing position sensor PCB ASSY.

Main PCB failure

Replace the main PCB ASSY.

4. 4.7. 7.7 7 Main Main mo moto torr fa fail ilur ure e Step

Cause

Remedy

1

Connection failure of the main motor harness

Reconnect the main motor harness.

2

Connection failure of the motor encoder PCB flat cable

Reconnect the motor encoder PCB flat cable.

3

Motor encoder PCB failure

Replace the motor encoder PCB ASSY.

4

Main PCB failure

Replace the main PCB ASSY.

4.7.8 4.7 .8 Power Power supply supply volta voltage ge fai failur lure e Step

Cause Low voltage power supply PCB failure

1

Remedy Replace the low voltage power supply PCB unit. Refer to the “3.1 Resetting Irregular Power Supply Detection Counter” in  in  Chapter 3 to 3 to reset the irregular power supply detection counter.

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4.7.9 4.7 .9 High High volta voltage ge power power supp supply ly PCB PCB failur failure e Step

Cause

Remedy

1

Connection fa failure o off el electrode des s

Clean a an nd re reatta ttach e eac ach h el elect ectrode.

2

Connection failure of the high voltage PCB flat cable

Reconnect the high voltage PCB flat cable.

3

High voltage power supply PCB failure

Replace the high voltage power supply PCB  ASSY.

4

Main PCB failure

Replace the main PCB ASSY.

4.7.10 4.7.1 0 Main PCB PCB failure failure - Turn the the power switch switch OFF and then back ON again. again. Step

Cause

Remedy

1

Firmware malfunction

Install the latest firmware.

2

Main PCB failure

Replace the main PCB ASSY.

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CHAP APTE TER R 2 DI DISA SASS SSEM EMBL BLY/ Y/RE REAS ASSE SEMB MBL LY CH Be sure to observe Troubleshooting/Disassembling/Assembling Notes during Notes during disassembly and assembly work.

1. PACKING

Fig. 2-1

2-1

 

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2. TI TIGH GHTE TEN NIN ING G TOR ORQU QUE E LIS ISTS TS

Location of screw Back cover

Part name

Q ' ty

Tightening torque N·m (kgf·cm)

Taptite bind B M4x12

2

0.80.1(81)

Taptite bind B M4x12 Taptite cup S M3x8 SR

4 2

0.80.1(81) 0.60.1(61)

Screw pan (S/P washer) M3.5x6

1

0.450.05(4.550.5)

Ground harness

Screw pan (S/P washer) M3.5x6

1

0.450.05(4.550.5)

Fuser unit

Taptite pan B M4x14

2

0.80.1(81)

Insulation roof

Taptite pan B M3x8

1

0.40.05(40.5)

High voltage power supply PCB ASSY

Taptite bind B M4x12

2

0.80.1(81)

Main PCB ASSY

Taptite cup S M3x8 SR

Low voltage shield plate cover 

Ground harness

2 1

0.60.1(61)

Front cover

Taptite bind B M4x12

4

0.80.1(81)

Laser unit Paper feed/paper printing position sensor PCB ASSY

Taptite cup S M3x8 SR

3

0.80.1(81)

Taptite bind B M3x10

1

0.50.1(51)

Taptite bind B M4x12

4

0.80.1(81)

Drive sub ASSY

2-2

 

 

3. LUBRICATION There are no parts that require lubrication.

4. OVERVIEW OF GEARS  

Frame L 1

2

4 3

5

6

7 8 10

9

11

12

Fig. 2-2

1

LY8038

Fuser gear 22

7

LY8066

Feeder gear 17/32/26

2

LY8039

Ejector gear 17/18

8

LY8079

Feeder gear 29

3

LY8050

Fuser gear 20/35 pendulum

9

LY8080

T1 gear 20

4

LY8055

Fuser gear 36

10 LY8063

T1 gear sector  

5

LY8067

Drum gear 18/41

11 LY8065

Plate down cam

6

LY8068

Feeder gear 30 pendulum

12 LY8062

T1 idle gear  

Confidential 

2-3

 

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5. HARNESS ROUTING 1

Main PCB ASSY / low voltage power supply PCB unit / fuser unit (HL-11** series)

Center thermistor harness (WH) Polygon motor harness (WH)

Paper feed/paper printing position sensor PCB harness (BK, GY, PU, GR, BR)

Guides Main PCB  ASSY

Laser unit flat cable

Hook

Ground harness (GR)

Motor encoder PCB flat cable

Hook

Heater harness (WH) Low voltage PCB harness (WH)

Fuser unit Low voltage power supply PCB unit Hook

Low voltage power supply PCB unit

Harness colors are subject to change for some reason.

2-4

 

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2

Main PCB ASSY / low voltage power supply PCB unit / fuser unit (HL-120*/121* series /1222W)

Center thermistor harness (WH) Side thermistor harness (WH)

Paper feed/paper printing position sensor PCB harness (BK, GY, PU, GR, BR) Polygon motor harness (WH) Guides Main PCB  ASSY

Hooks

Wireless LAN PCB

Laser unit flat cable Motor encoder PCB flat cable Switch PCB flat cable Ground harness (GR) Heater harness (WH)

Hook

Low voltage PCB harness (WH) Switch PCB ASSY Fuser unit Low voltage power supply PCB unit

Hook

Low voltage power supply PCB unit

Harness colors are subject to change for some reason.

 

2-5

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3

Laser unit / motor encoder PCB ASSY Laser unit Guide

Guide

Motor encoder PCB flat cable

Guides

Guides Guide

Main motor harness (RD, BK) Pick-up solenoid harness (BK)

4

Motor encoder PCB ASSY

Polygon motor harness (WH)

Laser unit flat cable

New toner sensor PCB harness (RD, GR, WH)

Eject sensor PCB ASSY Hooks Eject sensor PCB ASSY

Paper feed/paper printing position sensor PCB ASSY

Eject sensor PCB harness (BR, GY, BK)

Harness colors are subject to change for some reason.

2-6

 

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5

Paper feed/paper printing position sensor PCB ASSY Main PCB ASSY

Paper feed/paper printing position sensor PCB harness (BK, GY, PU, GR, BR)

Hooks

Guides

Paper feed/paper printing position sensor PCB ASSY

6

New toner sensor PCB ASSY / pick-up solenoid

Hooks

Pick-up solenoid

New toner sensor PCB ASSY

New toner sensor PCB harness (RD, GR, WH)

Pick-up solenoid harness (BK) Harness colors are subject to change for some reason.

2-7

 

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6.

DIS DI SASS SSE EMBLY FLO LOW W CH CHA ART Disassembly / Reassembly (second) 7.3 Paper stopper  5/5

7.3 Paper stopper 2 5/5

7.4 Tray cover ASSY 5/5

7.5 Side cover L 10/10

7.16 Eject sensor PCB  ASSY 15/15

7.13 Front cover  20/20

7.18 Drive sub ASSY 30/50

7.6 Switch key 5/5

7.2 Back cover  20/15

7.3 Top cover support band 5/5

7.6 Side cover R 10/10

7.3 Top cover ASSY 10/30

7.10 High voltage power supply PCB  ASSY 20/20

7.7 Switch PCB ASSY (HL-121* series / 1222W) 5/5

7.13 Laser unit cover  10/10

7.18 New toner sensor PCB ASSY 30/40

7.4 Paper rear guide 5/5

7.14 Laser unit 55/75

7.15 Motor encoder PCB ASSY 10/10

7.17 Paper feed/paper printing position sensor PCB ASSY 30/40

7.11 Wireless LAN PCB (HL-121* series / 1222W) 5/5

7.12 Main PCB ASSY 45/60

7.8 Low voltage shield plate cover / Low voltage insulation sheet 35/40

7.8 Low voltage power supply PCB unit 25/30

7.9 Fuser unit 50/60

2-8

 

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7. DI DIS SASSE SEM MBLY PROC OCED EDU URE 7.1 

Preparation Disconnecting Cable and Removing Accessories Prior to proceeding with the disassembly procedure, (1) Discon Disconnec nectt the fol follow lowing ing:: • US USB B cabl cable e (if (if conn connec ected ted)) (2 (2)) Remo Remove ve the the fol follo lowi wing: ng: • Toner oner cartr cartridg idge e and and drum drum u unit nit • Pap Paper er rear rear guide guide 3 (HL-120 (HL-120*/12 */121* 1* series series on only) ly)

Toner cartridge and drum unit

Paper rear guide 3

USB cable

Fig. 2-3

2-9

 

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7.2

Back cover   (1) Remove Remove the the two tapti taptite te bind bind B M4x12 screw screws. s. (2) Release Release the two two hooks at the top top of the back cover cover while while lifting lifting it it.. (3) Slide the the back cover downwar downward d to remove remove the two two bosses bosses at the b bottom. ottom.

Hooks

Taptite bind B M4x12

Back cover  Bosses Fig. 2-4

2-10

 

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7.3

Top cover ASSY (1) Open Open tthe he top cover cover ASSY ASSY.. (2) Bend the boss boss bushing bushing of the develop develop joint joint link to the the direct direction ion of the a arrow rrow 2 to remove remove it from the guide rail of the top cover ASSY. (3) Turn Turn the top cov cover er support band band 90 degrees degrees and slide slide it to the d directi irection on of the arrow arrow 3 to remove it from the top cover ASSY ASSY.. (4) Remove Remove the the top cover cover ASSY ASSY from from the mach machine ine..

Top cover ASSY

90°

3

Top cover support band

Develop joint link Guide rail Boss of develop  joint link

2

Boss bushing of develop joint link Fig. 2-5

2-11

 

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(5) Remove Remove the two bosses bosses of the paper paper stopper stopper from the the proces process s cover ASSY. (6) Remove Remove the two bosses bosses of the paper paper stopper stopper 2, and remove remove the paper paper stopper stopper 2 from the the paper stopper. (HL-11** (HL-11** series only)

Paper stopper 2 Boss

Boss Boss Paper stopper 

Boss

Process cover ASSY

Fig. 2-6

2-12

 

Confidential 

 

(7) Release Release the three three hooks A of the top top cover ASSY ASSY while sliding sliding the the dress co cover ver to the direction of the arrow. Release the four tabs B of the dress cover and six tabs C of the to top p cover ASSY. ASSY. Bend the three hooks D of the dress cover inward to remove tthe he dress cover from the top cover ASSY. ASSY. (HL-11** series only) (8) Release Release the two hooks hooks E of the process process cover cover ASSY and four four hooks F of th the e top cove coverr  ASSY to remove the process cover ASSY from the top cover ASSY. ASSY. (HL-11** series only)

Hooks F Tabs C Top cover ASSY

Hooks A

Tabs C Hooks F Tabs C

Hooks E

Process cover  ASSY

Hooks D

Tabs B

Dress cover 

Fig. 2-7

2-13

 

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7.4

Tray cover ASSY (1) Open Open th the e tray tray cove coverr ASSY ASSY. (2) Bend the tray cover cover ASSY inward inward and remove remove the the two bosses bosses from tthe he machi machine ne to remove remove the tray cover ASSY from the machine. (3) Remove Remove the paper paper rear guide 1 from the the hook at the center center par partt of the tray cover cover ASSY and remove it from the machine. (4) Remove Remove the paper paper rear guide guide 2 from the paper paper rear guide guide 1. (HL-120*/12 (HL-120*/121* 1* series only) only)

Boss

Tray cover ASSY

Boss

Paper rear guide 2

Hook Hook

Paper rear guide 1 Fig. 2-8

2-14

 

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7.5

Side cover L (1) Remove Remove the two boss bushings bushings at at the rear rear side of the side side cover L L.. (2) Lift the the rib of the side side cover L to release release itit from the boss boss and hook of the the machi machine. ne. Pull out out the tab of the side cover L, and release the two hooks at the bottom to remove the side cover L. Hook

Rib

Boss bushings

Boss

Tab Hooks Side cover L Fig. 2-9

Assembling Note: • When assem assembling bling the side side cover L, make sure sure that the devel develop op joint link link is on the inner side of the drive sub ASSY ASS Y.

Develop joint link

Drive sub ASSY

Fig. 2-10

2-15

 

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7.6

Side cover R (1) Remove the boss boss bushing bushing at the rear side side of th the e side cover cover R. (2) Lift the rib rib of the side cover cover R to release release it from the the boss and ho hook ok of the mac machine. hine. Pull o out ut the tab of the side cover R and release the three hooks at the bottom to remove the side cover R. Hook

Boss

Rib

Tab

Side cover R

Boss bushing Hooks Fig. 2-11

(3) Release Release the hook and and open the switch switch key key to remove itit from the side side cove coverr R. Hook

Switch key

Side cover R

Fig. 2-12

Hook

Switch key

Side cover R

2-16

 

Confidential 

 

7.7 7.7

Sw Swit itch ch PC PCB BA ASS SSY Y ((HL HL-1 -121 21** s ser erie ies s //12 1222 22W) W) (1) Disconnect Disconnect the switch switch PCB PCB flat cable cable from the main main PCB ASSY and release release iitt from the securing fixtures. (2) Release Release the hook to to remove remove the switch PCB ASSY. Main PCB ASSY

Switch PCB flat cable

Hook

Switch PCB ASSY Fig. 2-13

Harness routing: Refer to “2. Main PCB ASSY / low voltage power supply PCB unit / fuser unit (HL120*/121* series /1222W)” /1222W)”..  Assembling Note: • Fold the swi switch tch PCB flat cable cable as shown in the figure figure below. below.

Insert it into the main PCB (reinforcing plate side down) and fold it at the end of reinforcing plate (mountain fold).

Main PCB ASSY

Switch PCB flat cable

Fold it at the corner of the hole (mountain fold). Fig. 2-14

 

2-17

Confidential 

 

7. 7.8 8

Lo Low wv vol olttag age ep pow ower er su supp pply ly PC PCB Bu uni nitt Note: • Do not pull out the low voltage voltage PCB harness forcefully, forcefully, to avoid it coming into contact with the high voltage power supply PCB ASSY. ASSY. Remove the high voltage power supply PCB  ASSY first to avoid it getting damaged. (1) Remove Remove the the four tapti taptite te bind bind B M4x12 scre screws. ws. (2) Remove Remove the the two taptit taptite e cup S M3x8 M3x8 SR screws screws.. (3) Remove Remove the screw pan pan (S/P washer) washer) M3.5x6 M3.5x6 screw to remove remove the low low volt voltage age shiel shield d plate cover and the low voltage insulation sheet. Assembling Note: • Make sure to attac attach h insulati insulation on sheet. Failure Failure to attach the insulation insulation sheet can result result in fire or electrical shock.

High voltage power supply PCB ASSY

Low voltage shield plate cover 

Taptite cup S M3x8 SR

Low voltage insulation sheet Taptite cup S M3x8 SR

Taptite bind B M4x12

Screw pan (S/P washer) M3.5x6 Fig. 2-15

2-18

 

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(4) Remove the the screw pan pan (S/P washer) washer) M3.5x6 M3.5x6 screw to release release the the ground harness. harness. (5) Remove the low voltage voltage power power supply supply PCB unit unit from the the machi machine. ne. (6) Disconnect Disconnect the he heater ater harness harness and the low low voltage voltage PCB harness harness from from the low vo voltage ltage power supply PCB unit.

Low voltage PCB harness

Rib

Notch Rib

Low voltage power supply PCB unit

Heater harness Notch

Ground harness

Screw pan (S/P washer) M3.5x6 Fig. 2-16

Assembling Note: • When assem assembling bling the low voltage voltage power supply supply PCB unit, engage the two notches notches of the PCB with the two ribs of the machine. VOLTAGE AGE POWER • After the replace replacement, ment, refer to "3. IF YOU REPLACE THE LOW VOLT SUPPLY PCB UNIT" in chapter 3 to 3 to configure each setting.

2-19

 

Confidential 

 

7.9

Fuser unit WARNING: • Some part parts s inside the machine machine are extremely hot immediatel immediately y after the machine machine is used. When opening the top cover or back cover to access any parts inside the machine, never touch the shaded parts shown in the following figures.

(1) Remove Remove the the two tapti taptite te pan pan B M4x14 scre screws. ws. (2) Disconnect Disconnect the center center thermistor thermistor harness harness and the side thermistor thermistor harness harness (HL (HL-120*/1 -120*/121* 21* series only) from the main PCB P CB ASSY, ASSY, and release them from the securing fixtures. (3) Release Release the heater heater harness harness from the securing securing fixtures fixtures,, and remov remove e the fuser unit unit from the the machine. (4) Remove Remove the taptite taptite pan B M3x8 screw, screw, and remove the insulatio insulation n roof from the fuser fuser unit. Insulation roof 

Taptite pan B M3x8

Taptite pan B M4x14

Taptite pan B M4x14 Side thermistor harness (HL-120*/121* series only) Fuser unit

Center thermistor harness Heater harness

Main PCB ASSY Fig. 2-17

Harness routing: Refer to “1. Main PCB ASSY / low voltage power supply PCB unit / fuser unit (HL11** series) series)””.  Assembling Note: • Do not use the fuser unit for DC DCP P and MFC models. Heater Heater harnes harnesses ses of the fuser unit for those models are longer than the one for this model. It could come into contact with other parts around the securing fixture, result in safety problems.

2-20

 

Confidential 

 

7.10 7.1 0 Hig High h vo volt ltage age pow power er sup supply ply PCB ASS ASSY Y (1) Disconnect Disconnect the the high voltage voltage PCB flat flat cable from from the main PCB PCB ASSY. ASSY. Note: • After dis disconnec connecting ting the flat cable, cable, check check that the cable is not damaged damaged at its end or short-circuited. When connecting the flat cable, do not insert it at an angle. After insertion, check that the cable is not at an angle. (2) Remove Remove the the two tapti taptite te bind bind B M4x12 screw screws. s. (3) Remove Remove the two hooks hooks to remove remove the high voltage voltage power power supply supply PCB ASSY from from the machine.

Main PCB  ASSY

High voltage power supply PCB ASSY Hook Hook

High voltage PCB flat cable

Taptite bind B M4x12

Fig. 2-18

Assembling Note: • When removing the high voltage power supply PCB ASSY ASSY,, electrode or electrode springs will come off. When assembling the high voltage power supply PCB P CB ASSY ASSY,, make sure that the electrode and electrode springs are assembled. • Attach it by en engaging gaging the the slits of the electrode electrode with with the ribs of the machine. machine. • Make sure th that at the spring is inserted inserted fully fully into the end of the electrode. electrode. • When assemb assembling ling the high voltage voltage power supply supply PCB ASSY, ASSY, make sure that the toner cartridge and the drum unit have been removed. They could twist the electrode. Slit Electrode

Ribs Electrode springs

Spring

Electrode Fig. 2-19

Slit

2-21

 

Confidential 

 

7.11 7.1 1 Wir Wirele eless ss LA LAN N PCB ((HLHL-121 121** ser series ies //122 1222W) 2W) (1) Remove the the tape on the the wireless wireless LAN PCB, PCB, and disc disconnect onnect the the wirele wireless ss LAN PCB from from the main PCB ASSY. Wireless LAN PCB Tape

Rib

Ribs

Wireless LAN PCB

Rib

Main PCB ASSY

Tape Fig. 2-20

Assembling Note: • When conn connecting ecting the the wireless wireless LAN PCB, hang the wireless wireless LAN PCB to the two two ribs on the machine, and connect the wireless LAN PCB to the main PCB ASSY. • When asse assembling mbling the wireless wireless LAN LAN PCB, remove the all all tapes on the wi wireless reless LA LAN N PCB. Also, do not attach a tape. These tapes are for securing the wireless LAN PCB during the shipping, not required for usage. These tapes are special tape and using other tapes may cause short circuit between terminals.

2-22

 

Confidential 

 

7.12 .12 Main P PC CB A AS SSY (1) Remove the bottom of the main PCB insulation sheet and peel it. (HL-11**/120* series only)  only)  (2) Disconnect Disconnect all h harness arnesses es and flat cables cables from from the main main PCB ASSY. ASSY. (3) Remove the the three taptite taptite cup cup S M3x8 SR screws screws to remove remove the ground ground harness, harness, the main main PCB ASSY, and the main PCB insulation sheet from the machine. Main shield plate

Main PCB insulation sheet

USB connector 

Main PCB ASSY Main PCB ASSY Low voltage PCB harness

Polygon motor harness Main PCB insulation sheet

Ground harness Taptite cup S M3x8 SR Motor encoder PCB flat cable Laser unit flat cable

Taptite cup S M3x8 SR

Paper feed/paper printing position sensor PCB harness Fig. 2-21

Harness routing: Refer to “1. Main PCB ASSY / low voltage power supply PCB unit / fuser unit (HL-11** series)” series)”.  Note: • Make sure th that at the main PCB ASSY is secured secured by screw screws s when connec connecting ting or disconnecting harnesses and flat cables. • After disconnecting flat cables, check that each each cable is no nott damaged at it its s end or shortshortcircuited. When connecting flat cables, do not insert them at an angle. After insertion, check that the cables are not at an angle. Assembling Note: • Insert the ma main in PCB insulation insulation sheet sheet into the gap between between the USB connector connector and the main shield plate. • Attac Attach h the main PCB insulation insulation sheet sheet and the main PCB ASSY in the order order as shown in the figure above. • After After the rep replac laceme ement, nt, refer refer to  to "1. IF YOU REPLACE THE MAIN PCB ASSY" in chapter 3  3  to configure each setting. • Make sure to attac attach h insulation insulation sheet. Failure Failure to attach the insulation insulation shee sheett can result in fire or electrical shock.

2-23

 

Confidential 

 

7.13 Front c co over  (1) Remove Remove the the four tapti taptite te bind bind B M4x12 scre screws. ws. (2) Release Release the two hooks at the the bottom of the laser laser unit cover. cover. Remove the la laser ser unit cover cover and the front cover from the machine by turning them to the direction of the arrow. (3) Release Release the three three hooks of the the front cover cover to remove remove it from the laser laser unit c cover over.. Hook

Front cover  Laser unit cover 

Taptite bind B M4x12 Hooks

Hook

Taptite bind B M4x12

Laser unit cover 

Front cover  Fig. 2-22

2-24

 

Confidential 

 

7.14 Laser unit (1) Release Release the laser unit unit flat cable from from the securing securing fixtures, fixtures, and discon disconnect nect it from the las laser er unit. Note: • After dis disconnec connecting ting the flat cable, cable, check check that the cable is not damaged damaged at its end or short-circuited. When connecting the flat cable, do not insert it at an angle. After insertion, check that the cable is not at an angle. (2) Release Release the polygon polygon motor harness harness from the securing securing fixtures, fixtures, and disconnec disconnectt it from the laser unit. (3) Release Release the motor motor encoder encoder PCB flat flat cable cable from the the securing securing fi fixtures. xtures. (4) Remove Remove the three taptite taptite cup cup S M3x8 SR screws screws to remove remove the laser laser unit fr from om the machine. Taptite cup S M3x8 SR Laser unit flat cable

Polygon motor harness

Laser unit

Motor encoder PCB flat cable

Fig. 2-23

Harness routing: Refer to “1. Main PCB ASSY / low voltage power supply PCB unit / fuser unit (HL-11** series)” series)” and “3. Laser unit / motor encoder PCB ASSY” ASSY ”.

2-25

 

Confidential 

 

Assembling Note: • Fold the las laser er unit flat cable cable as shown in the figure figure below below.. Electrode plane

To be connected to laser unit

Electrode plane

Laser unit flat cable 45°

45°

To be connected to main PCB ASSY

45° 20 mm

Mountain fold

155 mm

Valley fold 172 mm

Electrode plane To be connected to laser unit

Electrode plane

Laser unit flat cable 45°

45°

To be connected to main PCB ASSY

45° 20 mm 92 mm 112 mm

Fig. 2-24

Assembling Note: • If you repla replaced ced the laser unit, unit, attach attach the serial number number label of the the laser unit onto onto the location shown in the figure below. • After the replace replacement, ment, refer to "2. IF YOU REPLACE THE LASER UNIT" in chapter 3 to enter the adjusted value of the laser unit.

Serial number label Fig. 2-25

2-26

 

Confidential 

 

7.15 7.15 Mo Moto torr e enc ncod oder er PC PCB BA ASS SSY Y (1) Disconnect Disconnect all all harnesses harnesses and flat cable cable from the the motor encoder encoder PCB ASSY ASSY. Note: • After dis disconnec connecting ting the flat cable, cable, check check that the cable is not damaged damaged at its end or short-circuited. When connecting the flat cable, do not insert it at an angle. After insertion, check that the cable is not at an angle. (2) Release Release the two two hooks to remove remove the motor motor encoder encoder PCB ASSY ASSY from th the e machine. machine. Hooks

New toner sensor PCB harness Pick-up solenoid harness

Main motor harness Motor encoder PCB flat cable Motor encoder PCB ASSY Fig. 2-26

Harness routing: Refer to “3. Laser unit / motor encoder PCB ASSY” ASSY ” and “6. New toner sensor PCB ASSY / pick-up solenoid” solenoid ”.

2-27

 

Confidential 

 

Assembling Note: • Fold the moto motorr encoder PCB flat flat cable as shown shown in the figure below below..

Mountain fold 122 mm

Valley fold 80 mm To be connected to motor encoder PCB ASSY

15 mm

45°

Electrode plane

45°

80 mm 65 mm 15 mm

80 mm

Electrode plane

main PCB ASSY

Electrode plane

Motor encoder PCB flat cable



To be connected to motor encoder PCB ASSY

To be connected to

45°

45°

45°

Motor encoder PCB flat cable Fig. 2-27

45°

To be connected to main PCB ASSY

Electrode plane

2-28

 

Confidential 

 

7. 7.16 16 Ejec Ejectt se sens nsor or PC PCB B AS ASSY SY (1) Disconnect Disconnect the eject eject sensor PCB harness harness from the p paper aper feed/paper feed/paper printing printing position position sensor PCB ASSY, and release it from the securing fixtures. (2) Release Release the two hooks, hooks, and remove remove the eject eject sensor sensor PCB ASSY fro from m the machi machine. ne. Hooks

Paper feed/paper printing position sensor PCB ASSY

Eject sensor PCB harness

Eject sensor PCB ASSY Fig. 2-28

Harness routing: Refer to “4. Eject sensor PCB ASSY” ASSY”.

2-29

 

Confidential 

 

7.17 Pape Paperr fe feed/p ed/paper aper prin printing ting posit position ion sens sensor or PCB ASSY (1) Release Release the paper feed/pape feed/paperr printing position position sensor sensor PCB harness harness from the securing securing fixtures. (2) Remove Remove the taptite taptite bind B M3x10 screw screw to remove the paper paper feed/p feed/paper aper printing printing position position sensor PCB ASSY from the machine.

Paper feed/paper printing position sensor PCB ASSY

Taptite bind B M3x10 Paper feed/paper printing position sensor PCB harness

Fig. 2-29

Harness routing: Refer to “5. Paper feed/paper printing position sensor PCB ASSY” ASSY ”.

2-30

 

Confidential 

 

7.18 7.18 Ne New w tton oner er se sens nsor or PC PCB BA ASS SSY Y Note: • Make sure that the fuser unit is at room temperature to avoid the frame deforming due to heat.  (1) Turn Turn the ma machine chine so so that the the left side of the the machine machine face faces s upwar upward. d. (2) Remove the the plate up spring spring from from the plate plate up plate and and the drive sub sub ASSY ASSY.. Note: • Be caref careful ul not to uncoil uncoil the the spring. spring. (3) Remove Remove the the four tapti taptite te bind bind B M4x12 scre screws. ws. (4) Remove Remove the paper paper feed FG spring spring from the the drive drive sub ASSY. (5) Release the hook, and remove the drive sub ASSY from the machine by bending the chute earth spring inward. Remove the motor drive belt from the develop gear of the drive sub ASSY ASSY.. (6) Release Release the new new toner sensor sensor PCB PCB harness harness from the the securing securing fixtures. fixtures. (7) Release Release the two two hooks to remove remove the new new toner sensor sensor PCB PCB ASSY. ASSY. Taptite bind B M4x12

Drive sub ASSY

Plate up spring

New toner sensor PCB ASSY New toner sensor PCB harness

Motor drive belt Develop gear  Hook

Drive sub ASSY Chute earth spring

Hooks Plate up plate

Plate up spring

Plate up plate Paper feed FG spring

Drive sub ASSY

Fig. 2-30

Harness routing: Refer to “6. New toner sensor PCB ASSY / pick-up solenoid” solenoid ”.

2-31

 

Confidential 

 

CH CHAP APTE TER R 3 ADJU ADJUST STIN ING G AND AND UPDA UPDATI TING NG SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT 1. IF YOU REPLACE THE MAIN PCB ASSY 2. IF YOU REPLACE THE LASER UNIT 3. IF YOU Y OU REPLACE THE LOW VOLTAGE VOLTAGE POWER SUPPL SUP PLY Y PCB UNIT

1. IF YO YOU U RE REPL PLAC ACE E TH THE E MA MAIN IN PC PCB B ASS ASSY Y replacement> • Insta Installing lling firmware firmware (main (main firmware) firmware) • Set Settin ting g by by coun country try • Setting se serial rial number number and entering entering adjusted adjusted value of laser laser unit

 

What you need to prepare

(1 (1)) One One USB USB ca cabl ble e (2) Create a temporary temporary folder folder on the the C drive of the computer computer (Windows (Windows® XP or later). (3) Service Service setti setting ng tool tool (BrUsbs (BrUsbsn.z n.zip) ip) Copy this file into the temporary folder created on the C drive. Extract the copied file and double-click “BrUsbsn.exe” to start it. (4) Downlo Download ad utili utility ty (F (FILED ILEDG32 G32.EX .EXE) E) Copy this file into the temporary folder created on the C drive. (5) Maintenance Maintenance driver (Maintenance (MaintenanceDriver Driver.zip) .zip) When the maintenance driver is not installed on the computer, copy this file into the temporary folder created on the C drive, and extract the copied file. (6) Firmware HL-11** series HL-120* series

Main firmware (E.g.) LZ4326_$.blf 

HL-121* series HL-1222W

Main firmware (E.g.) LZ****_$.djf 

LZ****: First six digits of the part number of the firmware $: Alphabetic character representing the revision version of the firmware

(7 (7)) Setti Setting ng by by count country ry too tooll • Spe Specifica cificationSet tionSetting.e ting.exe xe (HL-11** (HL-11** series, HL-120* series) • SET_COU SET_COUNTRYC NTRYCODE.zi ODE.zip p (HL-121* (HL-121* series, series, HL-122*) HL-122*) Copy this file into the temporary folder created on the C drive.

3-1

 

Confidential 

 

1. 1.1 1

Inst Instal alli ling ng F Fir irmw mwar are e (M (Mai ain n Fi Firm rmwa ware re))

1.1.1 1.1 .1 Check Checking ing fir firmw mware are ve versi rsion on Check whether the firmware installed on the main PCB is the latest version. If it is the latest version, there is no need to reinstall the firmware. If it is not, be sure to install the firmware to the main PCB as described in “1.1.2 Installing  Installing  firmware (Main program)”  program)” in this chapter .

Print the Printer Settings to check firmware version by pressing the continuously with the top cover closed.

button three times

1.1.2 1.1 .2 Insta Installi lling ng firmwa firmware re (Main (Main progr program am)) (1) Press and hold the socket.

button to turn OFF the machine machine with the AC cord plugged plugged into a

(2) Press and hold the button and check that the Ready and Error LEDs are lit. Then open the top cover and check that the Error LED goes out and only the Ready LED is lit. (3) Take out the drum drum unit, unit, check that that the Error LED is is lit, and return return the d drum rum unit. unit. (4) Check that the Ready and Error LEDs are lit, then release release the LEDs go out and close the top cover.

button button.. Check that all

(5) Press and hold the button for at least two seconds and check that the Error LED is lit. By releasing the button, the Error LED goes off and only the Ready LED remains lit. (6) Connect Connect the machine machine to your your computer computer using the USB cable. (7) Open the temporar temporary y folder and and double-click double-click “FILEDG3 “FILEDG32.EXE” 2.EXE” to st start art it, and s select elect “Brother Maintenance USB Printer”. (8) Drag and drop drop the main firmwa firmware re (LZ4326_$.blf (LZ4326_$.blf or LZ****_$. LZ****_$.djf) djf) in the the same fol folder der onto the “Brother Maintenance USB Printer” icon. The main firmware file is loaded to the machine, and installing to the flash ROM starts. (9) The Ready and and Error LEDs flash flash randomly randomly during writing. writing. When When complet completed, ed, the machine machine restarts and returns to the ready state automatically. Do not disconnect the USB cable or turn OFF the power switch of the computer until installing is completed. (10) Turn OFF the machine, and disconnect the USB cable.

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1.2

Setting by Country HL-11** series, HL-120* series (1) Check that that the power power switch switch is turned turned OFF with AC cord cord connected connected to the machine machine.. (2) Press and hold the button (keep holding holding the button for procedu procedure re (2)) and check that the Ready and Error LEDs are lit. Open the top cover to check that the Error LED goes out and only the Ready LED is lit. Take out the drum unit and check that the Error LED is lit. Return the drum unit and check that the Error LED goes out. (3) Release Release the

button and check that all LEDs go out, and then close the top cover. cover.

(4) Press and hold the button at least two seconds seconds and check that the Error LED is lit. Release the button and check that the Error LED goes out and the Ready LED is lit after flashing several times. (5) Connect Connect the machine machine to yo your ur computer computer u using sing the the USB c cable. able. (6) Select “St “Start” art” > “All Programs” Programs” > “Accesso “Accessories” ries” > “Command “Command Pro Prompt” mpt” on your your computer computer and launch Command Prompt. The window shown below appears.

(7) Drag and drop drop the “Specifica “SpecificationSet tionSetting.ex ting.exe” e” file onto the “Command “Command Prompt” Prompt” window. window. “Command Prompt” is shown as below.

(8) Refer to to the next next page to enter a space space and country country code code right after “¥SpecificationSetting.exe” shown in the command prompt, and press the [Enter (Return)] key ke y. Setting by country is written to the machine.

(The figure above is for German model: HL-1110) (9) Turn Turn OFF tthe he machine, machine, and and disconnec disconnectt the USB USB cable. cable. (10) Turn ON the machine. Press the state to print the Printer Settings.

button three times while the machine is in the ready

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(11)) Check the “AUTO POWER OFF” and “Toner (11 “Toner Kind” fields in the Printer Settings (Refer to 4 .) to make sure that they are matched "1. PRINTING PRINTER SETTINGS" in Chapter 4.) to the status presented in the t he setting by country table below.  

Setting by country code list

Destination  Argentina

 Australia Belgium Brazil Canada CEE

Chile China France German Iberia India Indonesia Israel Italy Korea Malaysia Mexico Middle east and north Africa Netherlands New Zealand Pan-Nordic Peru Russia

Switzerland Taiwan Turkey UAE UK Vietnam

Model HL-1110 HL-1112 HL-1200 HL-1110 HL-1110 HL-1112 HL-1112 HL-1202 HL-1112 HL-1110E HL-1112E HL-1222W HL-1112 HL-1202 HL-1118 HL-1208 HL-1110 HL-1112 HL-1110 HL-1112 HL-1110 HL-1111 HL-1201 HL-1110 HL-1201 HL-1110 HL-1110 HL-1112 HL-1110 HL-1110 HL-1112 HL-1202 HL-1110

Country code 84UE0300131 84UE0300231 84UE0300631 84UE0300156 84UE0300155 84UE0300255 84UE0300242 84UE0300742 84UE0300202 84UE0300164 84UE0300264 84UE0700764 84UE0300236 84UE0300736 84UE0300120 84UE0300620 84UE0300155 84UE0300255 84UE0300103 84UE0300203 84UE0300165 84UE0300145 84UE0300645 84UE0300129 84UE0300629 84UE0300117 84UE0300116 84UE0300216 84UE0300144 84UE0300171 84UE0300246 84UE0300746 84UE0300176

AUTO POWER OFF OFF OFF OFF OFF 1 HOUR 1 HOUR OFF OFF OFF 1 HOUR 1 HOUR 1 HOUR OFF OFF OFF OFF 1 HOUR 1 HOUR 1 HOUR 1 HOUR 1 HOUR OFF OFF OFF OFF 1 HOUR 1 HOUR 1 HOUR OFF OFF OFF OFF OFF

Toner Kind* STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER. STANDERD TONER STANDERD TONER STANDERD TONER. STANDERD TONER. STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER. STANDERD TONER. STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER

HL-1110 HL-1112 HL-1110 HL-1110 HL-1112 HL-1112 HL-1202 HL-1110R HL-1112R HL-1202R HL-1110 HL-1110 HL-1111 HL-1201 HL-1110 HL-1110 HL-1112 HL-1111 HL-1201

84UE0300155 84UE0300255 84UE0300156 84UE0300157 84UE0300257 84UE0300272 84UE0300772 84UE0300148 84UE0300248 84UE0300748 84UE0300110 84UE0300123 84UE0300125 84UE0300625 84UE0300173 84UE0300104 84UE0300204 84UE0300119 84UE0300619

1 HOUR 1 HOUR OFF 1 HOUR 1 HOUR OFF OFF 1 HOUR 1 HOUR 1 HOUR 1 HOUR OFF 4 HOUR 8 HOUR OFF 1 HOUR 1 HOUR OFF OFF

STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER. STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER STANDERD TONER. STANDERD TONER.

The above information is as of March 2016. Confirm the latest firmware information which is available from your local Brother Customer Service. * The only difference in Toner Toner Kind status is whether the period (“.”) comes at the end or not. The estimated toner cartridge life with period is 1,500 pages, and the one without period is 1,000 pages.

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HL-121* series, 1222W (1) Copy the “SET_COUNT “SET_COUNTRYCO RYCODE.zip DE.zip”” file of the relevant relevant model to the desired desired location location on the computer and extract it. (2) Press and hold the socket.

button to turn OFF the machine machine with the AC cord plugged plugged into a

(3) Press and hold the button and check that the Ready and Error LEDs are lit. Then open the top cover and check that the Error LED goes out and only the Ready LED is lit. (4) Take out the d drum rum unit, unit, check that that the Error LED is is lit, and return return the d drum rum unit. unit. (5) Check that the Ready and Error LEDs are lit, then releas release e the LEDs go out and close the top cover.

button button.. Check that all

(6) Press and hold the button for at least two seconds and check that the Error LED is lit. By releasing the button, the Error LED goes off and only the Ready LED remains lit. (7) Connect Connect the machine machine to y your our computer computer using the USB cable. (8) Open the temporar temporary y folder and and double-click double-click “FILEDG3 “FILEDG32.EXE” 2.EXE” to start start it, and s select elect “Brother Maintenance USB Printer”. (9) Drag and drop drop the PJL file file copied copied in step (1) (1) onto the “Brother “Brother Maintenan Maintenance ce USB Printer” Printer” icon in the FILED32 screen. The file is loaded to the machine, and the setting starts. (10) Wait for approximately 20 seconds, and then turn OFF the power switch of the machine and disconnect the USB cable.

 

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1.3

Set Settin ting g Se Seria riall Nu Numbe mberr an and d En Enter tering ing Adj Adjust usted ed V Valu alue e of Las Laser er U Unit nit (1) Connect Connect the machine machine to y your our computer computer using the USB cable. (2) Check that the power switch switch is turned OFF. OFF. Press and hold the button and check that the Ready and Error LEDs are lit. Then open the t he top cover and check that the Error LE LED D goes out and only the Ready LED is lit. Take out the drum unit and check that the Error LED is lit. Check that the Ready and Error LEDs are lit and release the button. (3) Check that all LEDs go out, then press and hold the

button for at least two seconds. seconds.

(4) Check that that the Error LED is lit and and close close the top top cover. cover. (5) Double-clic Double-click k “BrUs “BrUsbsn.ex bsn.exe” e” that was copied copied into into the temporary folder to start it. The “BrUsbSn” window shown on the right appears. (6) Enter the the model model name of your your machine machine in the “Find “Find a Product” field (ex: HL-111 HL-1110) 0) and click the [Find a Product] button. [Find a Product] button turns into [Find Next] button, and model name appears in the box above the [Find Next] button. (7) Check if the model name of of your machine machine is s shown hown in in the box above the [Find Next] button. If you can not find the model name of your machine, keep clicking the [Find Next] button until it appears. (8) In the “Port” field, select the port port number number assigned assigned to the “Brother Maintenance USB Printer”. If the port number is unknown, follow the steps below to check it. 1) Click “Start”, “Start”, “Setting “Settings”, s”, and “Printers “Printers and Faxes”. Faxes”. The “Printers and Faxes” window appears. 2) Right-click Right-click the “Brother “Brother Maintenanc Maintenance e USB Printer” Printer” icon. 3) Click “Properties” “Properties”.. The “Brother Maintenance Maintenance USB Printer Properties” Properties” window window appears. appears. 4) Click the “Ports” “Ports” tab. The Brother Maintenan Maintenance ce USB Printer port number number is displayed displayed.. (9) Enter the serial serial number number (15 digits) digits) of of the machine machine in the “Serial “Serial No” field. field. (10) Enter the last five digits on the laser serial number label in the “Scanner Video Clk.” field.

Laser serial number label

054848

Enter the last five digits. Fig. 3-1

(11) Click the [OK] button, then confirmation screen appears. Check that the serial number and the adjusted value of the laser unit are cor correct rect and click the [Yes] button. The serial number and the adjusted value of the laser unit are written to the machine. (12) Turn OFF the power switch of the machine.

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2. IF YOU RE REP PLA LAC CE TH THE LAS LASE ER UN UNIT replacement> • Enterin Entering g adjusted adjusted value value of laser unit

 

What you need to prepare

(1 (1)) One One US USB B ca cabl ble e (2) Create a temporary temporary folder folder on the the C drive of the computer computer (Window (Windows s® XP or later). (3) Servic Service e settin setting g tool (BrUsbs (BrUsbsn.z n.zip) ip) Copy this file into the temporary folder created on the C drive. Extract the copied file and an d double-click “BrUsbsn.exe” to start it. (4) Downlo Download ad utili utility ty (FILED (FILEDG32 G32.EXE .EXE)) Copy this file into the temporary folder created on the C drive. (5) Maintenance Maintenance driver (MaintenanceD (MaintenanceDriver river.zip) .zip) When the maintenance driver is not installed on the computer, copy this file into the temporary folder created on the C drive, and extract the copied file.

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2.1 2.1

En Ente teri ring ng Ad Adju just sted ed Value alue of La Lase serr Un Unit it (1) Tu Turn rn OFF the the power power switch switch of th the e machine machine.. (2) Connect Connect the machine machine to y your our computer computer using the USB cable. (3) Check that the power switch switch is turned OFF. OFF. Press and hold the button and check that the Ready and Error LEDs are lit. Then open the t he top cover and check that the Error LE LED D goes out and only the Ready LED is lit. Take out the drum unit and check that the Error LED is lit. Check that the Ready and Error LEDs are lit and release the button. (4) Check that all LEDs go out, then press and hold the button for at least two seconds. seconds. (5) Check that that the Error LED is lit and and close close the top top cover. cover. (6) Double-clic Double-click k “BrUs “BrUsbsn.ex bsn.exe” e” that was copied copied into into the temporary folder to start it. The “BrUsbSn” window shown on the right appears. (7) Enter the the model model name of your your machine machine in the “Find “Find a Product” field (ex: HL-111 HL-1110) 0) and click the [Find a Product] button. [Find a Product] button turns into [Find Next] button, and model name appears in the box above the [Find Next] button. (8) Check if the model name of of your machine machine is s shown hown in in the box above the [Find Next] button. If you can not find the model name of your machine, keep clicking the [Find Next] button until it appears. (9) In the “Port” field, select the port port number number assigned assigned to the “Brother Maintenance USB Printer”. If the port number is unknown, follow the steps below to check it. 1) Click “Start”, “Start”, “Setting “Settings”, s”, and “Printers “Printers and Faxes”. Faxes”. The “Printers and Faxes” window appears. 2) Right-click Right-click the “Brother “Brother Maintenanc Maintenance e USB Printer” Printer” icon. 3) Click “Properties” “Properties”.. The Brother Maintenance Maintenance USB Printer Properties Properties window appears. appears. 4) Click the “Ports” “Ports” tab. The Brother Maintenan Maintenance ce USB Printer port number number is displayed displayed.. (10) Enter the last five digits on the laser serial number label in the “Scanner Video Clk.” field.

Laser serial number label

054848

Enter the last five digits. Fig. 3-2

(11) Click the [OK] button, then the confirmation screen appears. Check that the serial number and the adjusted value of the laser unit are correct and click the [Yes] button. The adjusted value of the laser unit is written to the machine. (12) Turn OFF the power switch of the machine.

 

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3. IF YOU YOU REP REPLA LACE CE TH THE E LOW LOW VO VOL LTAG AGE E POWER SUPPLY SUPPLY PCB UNIT replacement> • Resett Resetting ing irregular irregular power power supply supply detection detection counter  counter 

 

What you need to prepare

(1 (1)) One One US USB B ca cabl ble e (2) Create a temporary temporary folder folder on the the C drive of the computer computer (Window (Windows s® XP or later). (3) Downlo Download ad utili utility ty (FILED (FILEDG32 G32.EXE .EXE)) Copy this file into the temporary folder created on the C drive. (4) Maintenance Maintenance driver (MaintenanceD (MaintenanceDriver river.zip) .zip) When the maintenance driver is not installed on the computer, copy this file into the temporary folder created on the C drive, and extract the copied file. (5) Irregular Irregular power power supp supply ly detection detection counter counter PJL file (SQWA (SQWAVE.PJL) VE.PJL)

3.1 3.1

Re Rese setti tting ng Ir Irre regu gula larr Pow Power er S Sup uppl ply y Det Detec ecti tion on Co Coun unte ter  r  The irregular power supply detection counter increases by one when the machine detects irregular power supply. When the counter reaches the limit and the irregular power supply detection error is displayed, replace the low voltage power supply PCB unit, which may have been damaged by repeated irregular power supply, supply, and reset the irregular power supply detection counter. In this case, if the same power supply is used, the same error may occur even when the low voltage power supply PCB unit is replaced. Ask the user to review the installation environment to avoid the same error occurring again. HL-11** series, HL-120* series (1) Tu Turn rn OFF the the power power switc switch h of the mach machine ine.. (2) Connect Connect the machine machine to yo your ur computer computer u using sing the the USB c cable. able. (3) Check that the power switch is turned OFF. OFF. Press and hold the button and check that the Ready and Error LEDs are lit. Then open the top t op cover and check that the Error LED goes out and only the Ready LED is lit. Take out the drum unit and check that the Error LED is lit. Check that the Ready and Error LEDs are lit and release the button. (4) Check that all LEDs go out, then press and hold the

button for at least two seconds. seconds.

(5) Check that the Error LED is lit and and close close the top top cover. cover. (6) Double-clic Double-click k “FILEDG “FILEDG32.EXE” 32.EXE” on the the PC to start start it, and select select “Bro “Brother ther Maintenanc Maintenance e USB Printer”. (7) Drag and and drop the “SQWA “SQWAVE.PJL” VE.PJL” onto onto the “Brother “Brother Maintenance Maintenance USB USB Printer” icon. (8) Tu Turn rn OFF the the power power switc switch h of the mach machine ine..

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HL-121* series, 1222W (1) Check that the power switch switch is turned OFF. OFF. Press and hold the button and check that the Ready and Error LEDs are lit. Then open the t he top cover and check that the Error LE LED D goes out and only the Ready LED is lit. (2) Take out the d drum rum unit and and check that that the Error Error LED is lit. Check Check that that the Ready Ready and Error LEDs are lit and release the button. Check that all LEDs go out. (3) Set the the dru drum m unit and and close close the the top top cover cover.. (4) Press the

button twice. twice. Check that the Error LED is lit.

(5) Press the

button twelve twelve to reset the Irregular Irregular Power Supply Detection Detection Counter. Counter.

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CH CHA APTE TER R 4 SERVIC ICE E FU FUNC NCTI TION ONS S 1. PRI RIN NTI TIN NG PR PRIN INTE TER R SETT TTIN INGS GS Printer Settings can be printed.

(1) Press the

button three times while the machine machine is in the ready state state.. Printi Printing ng starts. starts.

(2) When printing printing is is completed, completed, tthe he machine machine returns returns to the the ready state. state. HL-11** series, HL-120* series

Fig. 4-1

4-1

 

HL-121* series, 1222W

Fig. 4-2

 

Confidential 

 

4-2

Confidential 

 

1 2 3 4

Model Serial number Main firmware version RAM size

18

Paper input for other than A4, Letter, Legal, and Folio

19

Total paper jams

20

Paper jams that have occurred in the paper tray

21

Paper jams that have occurred in the machine

5

Printing density

22

Paper jams that have occurred in the ejecting section

6

LED display in sleep mode

23

Current toner type

7

Auto power OFF

24

Machine error history

25

The number of times that the drum unit has been replaced

8

Toner save mode

9

Stop mode / Continue mode (Toner Replacement)

26

The number of times that the toner cartridge has been replaced

10

Print position off-set

27

Engine firmware version

11

Timeout setting for Auto formfeed

28

Paper size of Paper tray

12

Formfeed suppress status

29

Display language

13

Remaining life of drum unit

30

Interface connection status

14

Estimated remaining toner amount

31

Continue mode

15 16

Total printed pages Paper input for A4 and Letter

32 33

Paper input for B5 and Executive Paper input for A5

17

Paper Paper in inpu putt ffor or Le Legal gal and and Fol Folio io

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2. RESETTING DR DRUM CO COUNTER By following this procedure after the drum unit has been replaced, the warning that appeared when the drum unit was expiring or when it had reached the limit will be deactivated.

(1) Open the top cover while the machine machine is in the ready state state.. Press the times to reset the drum counter.

3.

button four

SWITCHING BETWEEN CONTINUE MODE AND STOP MODE This function is to change the toner setting to continuous printing mode (allows you to use the current toner cartridge even when the LED is prompting toner replacement) or stop mode (default).

(1) Press the button seven times while the machine machine is in the ready state state..  All LEDs flash twice when continue mode is set (ON 1 sec. / OFF 1 sec.)  All LEDs flash once when toner stop mode is set (ON 1 sec.)

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4. TEST PRINTING This function is to print a test page.

(1) Check that the power switch is turned OFF. OFF. Press and hold the button and check that the Ready and Error LEDs are lit. Then open the top cover and check that the Error LED goes out and only the Ready LED is lit. Close the top cover and press the button. (2) Press the

button once to start the test printing. printing.

HL-11** series, HL-120* series

Fig. 4-3

4-5

 

HL-121* series, 1222W

Fig. 4-4

 

Confidential 

4-6

 

Confidential 

 

5. MAINTENANCE PRINTING This function is to print a list of maintenance information including printer coverage information.

(1) Check that the power switch switch is turned OFF. OFF. Press and hold the button and check that the Ready and Error LEDs are lit. Then open the top t op cover and check that the Error LE LED D goes out and only the Ready LED is lit. (2) Take out the dr drum um unit and and check that that the Error LED is lit. Check Check that the R Ready eady and Error LEDs are lit and release the button. Check that all LEDs go out. (3) Set the the dru drum m unit unit and close close the the top cove coverr. (4) Press the

button twice. Check that the Error LED is lit.

(5) Press the

button once to start the maintenance maintenance printing. printing.

HL-11** series, HL-120* series

Fig. 4-5

4-7

 

Confidential 

 

1 2 3

Model name Serial number  Machine ROM version

21

The number of times that the toner cartridge has been replaced

22

Rotations of the developer roller of currently set toner cartridge

23

Rotations of the developer roller of previously set toner cartridge

4

Engine archive version

24

Current developing bias voltage value

5 6

Total printed pages Drum count page / rotations of the drum

25 26

Total power distribution time The number of times that the power has been turned ON

7

Accumulated average coverage

27

Sensor operating state*1

8

 Average coverage by the toner cartridge which is currently used

28

9

 Average coverage by the toner cartridge which is previously used

29

10

Total printed pages at corresponding value of drum (Remaining life of drum)

30

The number of times of the discharge error 

11

Total printed pages of previously set toner cartridge

31

The number of times of the fuser unit error 

12

Total printed pages of currently set toner cartridge (Remaining life of toner cartridge)

32

13

Total input papers of A4 size / Letter size

33

14

Total input papers of Legal size / Folio size

34

15

Total input papers other than A4 size / Letter size / Legal size / Folio size

35

Result of Main PCB / High-voltage PCB inspection

36

Paper size / Toner type of currently set toner cartridge / Toner type of previously set toner cartridge

*1

Start date for machine operation

Polygon motor error occurred

Paper jams that have occurred in tray 16

Engine error log

The number of times of the irregular power supply detection error  Not necessary for maintenance

PCB information / Areas

17

Paper jams that have occurred inside the machine

37

18

Paper jams that have occurred in the paper eject path

38

19

Machine error log

39

NVRAM check sum

20

The number of times that the drum unit has been replaced

40

New toner detection log

Country code

KO : Paper feed sensor sensor OFF OFF time / Paper feed feed sensor sensor ON time RS : Paper printing printing position position sensor OFF time time / Paper printing printing position position sensor ON tim time e EJ : Eject Eject sensor sensor OFF OFF time time / Eject Eject senso sensorr ON time time

4-8

 

HL-121* series, 1222W

Fig. 4-6

 

Confidential 

 

4-9

Confidential 

 

1

Model name

21

 Average coverage by the previous toner cartridge

2

Serial number

22

Drum page count

3

Model code

23

Rotations of the drum

24

Total rotations of the developer roller (currently / previously used toner)

4

Country code

5

Switch check sum (factory use)

25

Total printed pages per paper size

6

Main firmware version

26

Printed pages per (currently) toner cartridge

27

Printed pages per (previously used) toner cartridge

28

Total rotations of the developer roller excluding rotations not related to printing such as warming-up (currently / previously used toner)

29

Total paper jams / Paper jams by section

30

Thermal storage count for intermittent printing

31

Intermittent printing pages

7

Boot firmware version Engine firmware version

8

9 10 11

Main firmware check sum USB ID code RAM size

Intermittent printing times

Main PCB serial number / Wireless LAN setting by spec / Wireless LAN output 12

peak / WLAN Setup YES/NO setting / One push demo setting / Current toner cartridge type / Previous toner cartridge type

32

13

Main PCB inspection log / High voltage inspection log / The number of times that the discharge error / Fuser unit error / Polygon motor lock error / Process state

33

14

Next Power On State / Process checksum

34

Replacement count by consumables and periodic replacement parts

15

Estimated rre emaining tto oner a am mount

35

Developing bi bias v vo oltage v va alue

36

Engine sensor log (Not necessary for maintenance)

16 17 18 19 20

Remaining life of drum unit Threshold setting rate when toner is running out Total printed pages  Accumulated average coverage  Average coverage by the current toner cartridge

Machine error log / Total pages printed at the time of the error 

37

Status log (Not necessary for

38

maintenance) Total power distribution time

39

The number of times that the power is turned ON

40

Start date for machine operation / First RTC setting date

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APP PENDI DIX X1 AP 

SERIA IAL L NUMB MBE ERI RIN NG SYSTE TEM M

Serial number label (1 location)

Serial number 

Product identification code

Production number (6-digit) Manufacturing factory number  Year of manufacture   3: 2013   4: 2014

Month of manufacture  A : Jan E : May J : Sep B : Feb F : Jun K : Oct C : Mar G : Jul L : Nov D : Apr  H : Aug M : Dec

Fig. App. 1-1



Serial number label Fig. App. 1-2

 App. 1-1

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APPENDIX 2

DELETING US USER SE SETTIN ING G INFORMATION

The user setting information for f or the machine is stored in the main PCB. You can return this to the default settings by following the procedure below.

(1) Check that the power switch is turned OFF. OFF. While pressing pressing and holding the check that all LEDs light. Then open and close the top cover. Release the and check that all LEDs go out. (2) Press Press the

but button ton ten times. times.

(3) When completed, completed, the the machine machine returns to the the ready state state automatica automatically lly..

button button,, button,

 App. 2-1

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