Confidential
Inkjet MFC
SERVICE MANUAL
MODELS: MFC-J6510DW
MFC-J6710DW
MFC-J6910DW
December 2010
SM-FAX119
8CAL11 (5)
Read this manual thoroughly before maintenance work.
Keep this manual in a convenient place for quick and easy reference at all times.
Confidential
© Copyright Brother 2010
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.
Specifications are subject to change without notice.
Trademarks
The Brother logo is a registered trademark of Brother Industries, Ltd.
Brother is a registered trademark of Brother Industries, Ltd.
Multi-Function Link is a registered trademark of Brother International Corporation.
Windows Vista is either a registered trademark or trademark of Microsoft Corporation in the United
States and/or other countries.
Microsoft, Windows, Windows Server and Internet Explorer are registered trademarks of Microsoft
Corporation in the United States and/or other countries.
Apple and Macintosh are trademarks of Apple Inc., registered in the United States and other countries.
Adobe, Flash, Illustrator, PageMaker and Photoshop are either registered trademarks or trademarks of
Adobe Systems Incorporated in the United States and/or other countries.
Nuance, the Nuance logo, PaperPort and ScanSoft are trademarks or registered trademarks of Nuance
Communications, Inc. or its affiliates in the United States and/or other countries.
PowerPC is a trademark of International Business Machines Corporation.
Memory Stick, Memory Stick PRO, Memory Stick PRO Duo, Memory Stick Duo, MagicGate Memory
Stick, Memory Stick Micro and M2 are trademarks of Sony Corporation.
AOSS is a trademark of Buffalo Inc.
Wi-Fi, WPA, WPA2, Wi-Fi Protected Access and Wi-Fi Protected Setup are either trademarks or
registered trademarks of Wi-Fi Alliance in the United States and/or other countries.
Intel and Pentium are trademarks of Intel Corporation in the U.S. and other countries.
AMD is a trademark of Advanced Micro Devices, Inc.
FaceFilter Studio is a trademark of Reallusion, Inc.
BRAdmin Professional is a trademark of Brother Industries, Ltd.
UNIX is a registered trademark of The Open Group.
Linux is the registered trademark of Linus Torvalds in the U.S. and other countries.
CorelDraw, Corel Paint Shop Pro and Corel WordPerfect are trademarks or registered trademarks of
Corel Corporation and/or its subsidiaries in Canada, the United States and/or other countries.
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.
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The table below shows the functional comparison between the models covered by this manual.
Model MFC-J6510DW MFC-J6710DW MFC-J6910DW
Touch panel − − √
Lower tray (Paper tray #2) − √ √
Duplex scan − − Up to LTR/LGL/A4
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TABLE OF CONTENTS
REGULATION....................................................................................................................... viii
SAFETY INFORMATION ........................................................................................................ xi
CHAPTER 1 SPECIFICATIONS ......................................................................................... 1-1
1.1 GENERAL .................................................................................................................... 1-1
1.1.1 General ............................................................................................................ 1-1
1.1.2 Media Specifications ........................................................................................ 1-1
1.1.3 Paper Handling ................................................................................................ 1-2
1.1.4 LCD/Panel ........................................................................................................ 1-2
1.1.5 Memory ............................................................................................................ 1-2
1.1.6 Interface ........................................................................................................... 1-3
1.1.7 Others .............................................................................................................. 1-3
1.2 TELEPHONE ................................................................................................................ 1-4
1.3 FAX ............................................................................................................................... 1-4
1.4 PRINTER ...................................................................................................................... 1-4
1.5 COPY ............................................................................................................................ 1-5
1.6 SCANNER .................................................................................................................... 1-5
1.7 SOFTWARE ................................................................................................................. 1-5
1.8 NETWORK ................................................................................................................... 1-6
1.8.1 Network ............................................................................................................ 1-6
1.8.2 Wired................................................................................................................ 1-6
1.8.3 Wireless ........................................................................................................... 1-6
1.9 SUPPLIES/OPTIONS ................................................................................................... 1-7
1.10 SERVICE INFORMATION ............................................................................................ 1-7
1.11 PAPER.......................................................................................................................... 1-8
1.11.1 Paper Specifications ........................................................................................ 1-8
1.11.2 Printable Area ................................................................................................ 1-11
CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING ...................................... 2-1
2.1 INTRODUCTION .......................................................................................................... 2-1
2.1.1 Precautions ...................................................................................................... 2-1
2.1.2 Initial Check ..................................................................................................... 2-2
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2.2 OVERVIEW................................................................................................................... 2-3
2.2.1 Cross-section Drawings and Components....................................................... 2-3
2.2.2 Paper Path for Documents and Recording Paper............................................ 2-4
2.2.3 Parts Names and Functions............................................................................. 2-5
2.2.4 Block Diagram.................................................................................................. 2-7
2.2.5 Components..................................................................................................... 2-8
2.3 ERROR INDICATION ................................................................................................... 2-9
2.3.1 Error Codes...................................................................................................... 2-9
2.3.2 Error Messages.............................................................................................. 2-13
2.3.3 Communications Error Codes ........................................................................ 2-16
2.3.4 Status Monitor Errors ..................................................................................... 2-20
2.4 TROUBLESHOOTING ............................................................................................... 2-22
2.4.1 Error Cause and Solutions ............................................................................. 2-22
2.4.2 Paper Feeding Problems ............................................................................... 2-61
2.4.2.1 No paper feeding .................................................................................... 2-61
2.4.2.2 Double feeding ....................................................................................... 2-62
2.4.2.3 Recording paper jam .............................................................................. 2-63
2.4.2.4 Stains on recording paper ...................................................................... 2-67
2.4.3 Print-image Problems .................................................................................... 2-68
2.4.3.1 Defective images .................................................................................... 2-68
2.4.3.2 Troubleshooting from image defect ........................................................ 2-69
2.4.4 Software-related Problems ............................................................................ 2-80
2.4.4.1 Cannot print data .................................................................................... 2-80
2.4.5 Network Problems.......................................................................................... 2-81
2.4.5.1 Cannot make a print through network connection .................................. 2-81
2.4.6 Document Feeding Problems ........................................................................ 2-82
2.4.6.1 Cannot feed documents ......................................................................... 2-82
2.4.6.2 Document double feeding....................................................................... 2-82
2.4.6.3 Document jam ........................................................................................ 2-83
2.4.6.4 Wrinkles on documents .......................................................................... 2-84
2.4.6.5 Cannot detect the document size correctly ............................................ 2-84
2.4.7 Scanned-image Problems.............................................................................. 2-85
2.4.7.1 Defective images .................................................................................... 2-85
2.4.7.2 Troubleshooting from image defect ........................................................ 2-85
2.4.8 Control Panel Problems ................................................................................. 2-89
2.4.8.1 LCD shows nothing ................................................................................ 2-89
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2.4.8.2 Control panel inoperative........................................................................ 2-89
2.4.8.3 Lamps on the control panel does not light .............................................. 2-90
2.4.8.4 Touch panel inoperative (For models with touch panel) ......................... 2-90
2.4.9 Fax Problems ................................................................................................. 2-91
2.4.9.1 No faxes can be sent .............................................................................. 2-91
2.4.9.2 Speed dialing or one-touch dialing will not work..................................... 2-91
2.4.9.3 No faxes can be received ....................................................................... 2-92
2.4.9.4 The ringer does not sound...................................................................... 2-92
2.4.9.5 In on-hook dialing, the speaker does not sound ..................................... 2-92
2.4.9.6 Dial does not switch between tone and pulse ........................................ 2-93
2.4.9.7 A communications error occurs .............................................................. 2-93
2.4.9.8 Receive mode cannot be changed ......................................................... 2-93
2.4.9.9 Caller ID not displayed ........................................................................... 2-93
2.4.10 Other Problems .............................................................................................. 2-94
2.4.10.1 The machine cannot be powered on or nothing appears on the LCD .... 2-94
2.4.10.2 When the power is on, the scanner crackles .......................................... 2-94
2.4.10.3 Memory card/PictBridge does not function ............................................. 2-94
2.4.10.4 Memory errors ........................................................................................ 2-95
2.4.10.5 Paper tray set does not work .................................................................. 2-95
CHAPTER 3 DISASSEMBLY AND ASSEMBLY ............................................................... 3-1
3.1 SAFETY PRECAUTIONS AND HANDLING NOTES .................................................. 3-1
3.2 PACKING ..................................................................................................................... 3-3
3.3 SCREW CATALOGUE ................................................................................................. 3-4
3.4 SCREW TORQUE LIST ............................................................................................... 3-5
3.5 LUBRICATION ............................................................................................................. 3-6
3.6 OVERVIEW OF GEARS ............................................................................................. 3-13
3.7 HARNESS ROUTING ................................................................................................. 3-14
3.8 DISASSEMBLY FLOW .............................................................................................. 3-31
3.9 DISASSEMBLY PROCEDURE .................................................................................. 3-33
3.9.1 Preparation .................................................................................................... 3-33
3.9.2 Head/Carriage Unit ........................................................................................ 3-37
3.9.3 Scanner Cover (Scanner Unit) and Scanner Cover Support ......................... 3-50
3.9.4 Manual Feed Slot Cover and ADF & Document Cover ASSY ....................... 3-55
3.9.5 Disassembly of ADF & Document Cover ASSY ............................................ 3-58
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3.9.6 Control Panel ASSY....................................................................................... 3-81
3.9.7 Disassembly of Control Panel ASSY ............................................................. 3-82
3.9.8 Backup Battery, Speaker and Upper Cover ................................................... 3-87
3.9.9 Ink Cartridge Cover, Front Cover, Wireless LAN PCB and Media Module
Cover ............................................................................................................. 3-91
3.9.10 Main PCB ....................................................................................................... 3-93
3.9.11 LT Cover*, T2 Paper Pull-in Roller ASSY, and Jam Clear Cover .................. 3-98
3.9.12 MJ/PS Shield Unit (MJ PCB and Power Supply PCB) ................................. 3-100
3.9.13 CR Encoder Strip and its Guard Film........................................................... 3-105
3.9.14 Carriage PCB ASSY, Ink Refill ASSY and Ink Cartridge Detection
Sensor PCB ................................................................................................. 3-107
3.9.15 Ink Absorber Box, Ink Absorber Felt, and PF Encoder Disk ........................ 3-113
3.9.16 Duplex-printing Related Components .......................................................... 3-115
3.9.17 Engine Unit, Flashing Box and Ink Cartridge Cover Switch ......................... 3-117
3.9.18 Components on the Engine Unit
(Earth spring, Maintenance unit, Carriage motor, CR support chassis,
Star wheel holder, Intermediate roller, Inner paper guide, Switchback
paper sensor PCB ASSY, Platen, DX chute roller holder ASSYs,
Inner chute ASSY, Registration sensor PCB ASSY and actuator,
PF encoder/PF sensor harness unit and actuator, PF encoder disk,
Paper feed motor, T1 paper pull-in roller ASSY) ......................................... 3-121
3.9.19 Paper Tray #1 .............................................................................................. 3-134
3.9.20 Paper Tray #2 .............................................................................................. 3-135
CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER
PARTS REPLACEMENT............................................................................... 4-1
4.1 IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT ........................ 4-1
[ 1 ] Update the head property data stored in the EEPROM on the main PCB* ........ 4-2
[ 2 ] Clean the new head/carriage unit (Function code 76) ........................................ 4-5
[ 3 ] Print out a nozzle test pattern (Function code 09) .............................................. 4-6
[ 4 ] Adjust the inclination of the head/carriage unit ................................................... 4-7
[ 5 ] Update the paper feeding correction value (Function code 58) ........................ 4-10
[ 6 ] Adjust the height of the platen .......................................................................... 4-17
[ 7 ] Align vertical print lines in monochrome (Function code 65) ............................ 4-19
[ 8 ] Adjust margins in borderless printing (Function code 66)................................. 4-21
[ 9 ] Create head calibration data and write it into flash ROM
(Function code 02) ............................................................................................ 4-24
[ 10 ] Print out a total quality check pattern................................................................ 4-27
[ 11 ] Switch back to standby ..................................................................................... 4-29
[ 12 ] Replace the ink cartridges with the protective part ........................................... 4-29
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[ 13 ] Obtain machine information at the user site (Instruction to the end user) ........ 4-29
4.2 IF YOU REPLACE THE MAIN PCB ........................................................................... 4-30
[ 1 ] Load update programs/data.............................................................................. 4-31
[ 2 ] Customize the EEPROM on the main PCB (Function code 74) ....................... 4-36
[ 3 ] Initialize the EEPROM on the main PCB (Function code 01) ........................... 4-36
[ 4 ] Load local programs ......................................................................................... 4-36
[ 5 ] Restore machine information (Function code 46) ............................................. 4-36
[ 6 ] Restore head calibration data (Function code 68) ............................................ 4-36
[ 7 ] Check the sensor operation (Function code 32) ............................................... 4-36
[ 8 ] Set an ID code (change the serial number) and update the head property
data ................................................................................................................... 4-37
[ 9 ] Acquire white level data and set CIS scanner area (Function code 55) ........... 4-39
[ 10 ] Update the paper feeding correction value (Function code 58) ........................ 4-39
[ 11 ] Align vertical print lines (Function code 65) ...................................................... 4-39
[ 12 ] Adjust margins in borderless printing (Function code 66)................................. 4-39
[ 13 ] Create head calibration data and write it into flash ROM (Function code 02) .. 4-39
[ 14 ] Print out an ADF copy chart and make a copy of that chart in ADF scanning.. 4-39
[ 15 ] Print out a total quality check pattern................................................................ 4-39
[ 16 ] Adjust the touch panel (Function code 78) (For models with touch panel) ....... 4-39
[ 17 ] Switch back to standby ..................................................................................... 4-39
4.3 IF YOU REPLACE THE ADF OR ADF-RELATED PARTS ....................................... 4-40
[ 1 ] Print out an ADF copy chart and make a copy of that chart in ADF scanning.. 4-40
4.4 IF YOU REPLACE THE INK ABSORBER BOX OR FLUSHING BOX ..................... 4-43
[ 1 ] Reset each of the purge and flushing counts ................................................... 4-43
4.5 IF YOU REPLACE THE CONTROL PANEL ASSY, CONTROL PANEL PCB OR
LCD UNIT ................................................................................................................... 4-43
[ 1 ] Adjust the touch panel (Function code 78) (For models with touch panel) ....... 4-43
[ 2 ] Check LCD operation (Function code 12) ........................................................ 4-43
[ 3 ] Check the operation of the control panel PCB (Function code 13)................... 4-43
4.6 IF YOU REPLACE THE FB UNIT* OR SCANNER COVER (SCANNER UNIT) ....... 4-44
[ 1 ] Acquire white level data and set CIS scanner area (Function code 55) ........... 4-44
[ 2 ] Print out an ADF copy chart and make a copy of that chart in ADF scanning
(For models with ADF) ...................................................................................... 4-44
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CHAPTER 5 SERVICE FUNCTIONS ................................................................................. 5-1
5.1 MAINTENANCE MODE................................................................................................ 5-1
5.1.1 How to Enter the End User-accessible Maintenance Mode............................. 5-1
5.1.2 How to Enter the Maintenance Mode Exclusive to Service Personnel ............ 5-2
5.1.3 List of Maintenance-mode Functions ............................................................... 5-4
5.1.4 Detailed Description of Maintenance-mode Functions .................................... 5-5
5.1.4.1 EEPROM Parameter Initialization (Function code 01, 91) ....................... 5-5
5.1.4.2 Creating of Head Calibration Data and Writing it into Flash ROM
(Function code 02).................................................................................... 5-6
5.1.4.3 Printout of Scanning Compensation Data (Function code 05) ................. 5-9
5.1.4.4 ADF Performance Test (Function code 08) ............................................ 5-11
5.1.4.5 Printout of Nozzle Test Pattern (Function code 09)................................ 5-12
5.1.4.6 Firmware Switch Setting and Printout (Function codes 10 and 11)
(User-accessible).................................................................................... 5-14
5.1.4.7 Operational Check of LCD (Function code 12) (User-accessible).......... 5-17
5.1.4.8 Operational Check of Control Panel PCB (Function code 13)................ 5-18
5.1.4.9 Updating of Firmware Using an External Memory (Function code 28)... 5-19
5.1.4.10 Sensor Operational Check (Function code 32) ...................................... 5-20
5.1.4.11 Backup of Machine Information (Function code 46) (User-accessible) .. 5-22
5.1.4.12 Setting of Country/Language (Function code 52) (User-accessible) ...... 5-24
5.1.4.13 Transfer of Received FAX Data and Log Information
(Function code 53) (User-accessible)..................................................... 5-25
5.1.4.14 Fine Adjustment of Scanning Position (Function code 54) ..................... 5-28
5.1.4.15 Acquisition of White & Black Level Data and CIS Scanner Area Setting
(Function code 55).................................................................................. 5-29
5.1.4.16 Updating of Paper Feeding Correction Value (Function code 58) .......... 5-30
5.1.4.17 Checking of CIS Travel (Function code 59)............................................ 5-37
5.1.4.18 Printout of PRN/JPEG Files in Memory Card (Function code 61) .......... 5-38
5.1.4.19 Travel Check of the Head/Carriage Unit and Initial Setup Mode
(Function code 63).................................................................................. 5-40
5.1.4.20 Alignment of Vertical Print Lines in Monochrome (Function code 65) .... 5-41
5.1.4.21 Margin Adjustment in Borderless Printing (Function code 66)
(User-accessible).................................................................................... 5-43
5.1.4.22 Updating of Head Property Data and Backup/Restoration of
Head Calibration Data (Function code 68) ............................................. 5-46
5.1.4.23 Traveling Speed Check of Head/Carriage Unit (Function code 69) ....... 5-48
5.1.4.24 Cleaning of Leveler Roller (LR) ASSY (Function code 70)..................... 5-49
5.1.4.25 EEPROM Customizing (Function code 74) ............................................ 5-50
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5.1.4.26 Travel of Head/Carriage Unit (for removing paper particles and
dust accumulated on the maintenance unit) (Function code 75)
(User-accessible).................................................................................... 5-53
5.1.4.27 Purge Operation (Function code 76) (User-accessible) ......................... 5-54
5.1.4.28 Print of the Equipment’s Log (Function code 77) ................................... 5-57
5.1.4.29 Adjustment of Touch Panel (Function code 78) ..................................... 5-60
5.1.4.30 Display of the Equipment's Log (Function code 80) (User-accessible) ..5-62
5.1.4.31 Equipment Error Code Indication (Function code 82)
(User-accessible).................................................................................... 5-67
5.1.4.32 Output of Transmission Log to the Telephone Line (Function code 87)
(User-accessible).................................................................................... 5-67
5.1.4.33 Assurance Mode Switch Setting (Function code 88) (User-accessible). 5-68
5.2 OTHER SERVICE FUNCTIONS................................................................................. 5-75
5.2.1 Cancellation of the Pin TX Lock Mode (Not applicable to Japanese and
U.S.A. models) ............................................................................................... 5-75
5.2.2 Displaying the Firmware Version ................................................................... 5-75
5.2.3 Travel of Head/Carriage Unit ......................................................................... 5-75
CHAPTER 6 Circuit Diagrams and Wiring Diagrams ..................................................... 6-1
APPENDIX 1 SERIAL NUMBERING SYSTEM .......................................................... App. 1-1
APPENDIX 2 DELETION OF USER SETTING INFORMATION ................................ App. 2-1
A2.1 Deleting User Setting Info from the Machine ........................................ App. 2-1
APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER ..................... App. 3-1
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Description
This service manual for the Brother MFC-J6510DW, MFC-J6710DW, MFC-J6910DW, InkJet MFC provides detailed diagrams, pictures, and procedures for diagnosing and repairing your copier. It is a valuable resource for both professional mechanics and DIY enthusiasts.
The manual includes the following chapters:
- Regulation
- Safety Information
- Specifications
- General
- Media Specifications
- Paper Handling
- LCD/LED/Panel
- Memory
- Interface
- Others
- Telephone
- Fax
- Printer
- Copy
- Scanner
- Software
- Network
- Network
- Wired
- Wireless
- Supplies/Options
- Service Information
- Paper
- Paper Specifications
- Printable Area
- Error Indication and Troubleshooting
- Introduction
- Overview
- Error Indication
- Troubleshooting
- Disassembly and Assembly
- Adjustments and Updating of Settings, Required After Parts Replacement
- Service Functions
- Circuit Diagrams and Wiring Diagrams
- Appendix 1: Serial Numbering System
- Appendix 2: Deletion of User Setting Information
- Appendix 3: Installing the Maintenance Printer Driver
The manual consists of 393 pages and covers a wide range of maintenance procedures, troubleshooting, and service functions essential for maintaining and repairing the Brother MFC-J6510DW, MFC-J6710DW, MFC-J6910DW, InkJet MFC copier.
