Brother DCP-J525W DCP-J725DW DCP-J925DW MFC-J280W MFC-J425W MFC-J430W MFC-J435W MFC-J625DW MFC-J825DW MFC-J835DW Service Manual and Parts List Manual

Service Manual and Parts List Manual Brother DCP J525W DCP J725DW DCP J925DW MFC J280W MFC J425W MFC J430W MFC J435W MFC J625DW MFC J825DW MFC J835DW;
This manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Brother.
You can print, zoom or read any diagram, picture or page from this Service Manual and Parts List Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Brother DCP-J525W DCP-J725DW DCP-J925DW MFC-J280W MFC-J425W MFC-J430W MFC-J435W MFC-J625DW MFC-J825DW MFC-J835DW. You can find easily everything what do you need.
To see what contain, please read table of contents:

Content for Service Manual:
TABLE OF CONTENTS
REGULATION
SAFETY INFORMATION

CHAPTER 1. SPECIFICATIONS
1 GENERAL
1.1 General
1.2 Media Specifications
1.3 Paper Handling
1.4 LCD/Panel
1.5 Memory
1.6 Interface
1.7 Others
2 TELEPHONE
3 FAX
4 PRINTER
5 COPY
6 SCANNER
7 SOFTWARE
8 NETWORK
8.1 Network
8.2 Wired
8.3 Wireless
9 SUPPLIES/OPTIONS
10 SERVICE INFORMATION
11 PAPER
11.1 Paper Specifications
11.2 Printable Area

CHAPTER 2. ERROR INDICATION AND TROUBLESHOOTING
1 INTRODUCTION
1.1 Precautions
1.2 Initial Check
2 OVERVIEW
2.1 Cross-section Drawings and Components
2.2 Paper Path for Documents and Recording Paper
2.3 Parts Names and Functions
2.4 Block Diagram
2.5 Components
3 ERROR INDICATION
3.1 Error Codes
3.2 Error Messages
3.3 Communications Error Codes
3.4 Status Monitor Errors
4 TROUBLESHOOTING
4.1 Error Cause and Solutions
4.2 Recording Paper or Disc Tray Feeding Problems
4.2.1 Recording paper not fed from paper tray (Error code 18, 82, etc.)
4.2.2 Disc tray not fed in (Error code 91)
4.2.3 Two or more sheets of paper fed at a time
4.2.4 Recording paper jam
4.2.5 Disc tray jam (Error code 31, 38, 3C, 84, 8A, 8B, 8C, 90)
4.2.6 Recording paper stained
4.2.7 Disc tray stained
4.3 Print-image Problems
4.3.1 Defective images
4.3.2 Troubleshooting from image defect
4.4 Software-related Problems
4.4.1 Cannot print data
4.5 Network Problems
4.5.1 Cannot make a print through network connection
4.6 Document Feeding Problems
4.6.1 Cannot feed documents
4.6.2 Document double feeding
4.6.3 Document jam
4.6.4 Wrinkles on documents
4.7 Scanned-image Problems
4.7.1 Defective images
4.7.2 Troubleshooting from image defect
4.7.3 Other scanning problems
4.8 Control Panel Problems
4.8.1 LCD shows nothing
4.8.2 Control panel inoperative
4.8.3 Lamps on the control panel do not light
4.8.4 Touch panel inoperative (For models with touch panel)
4.8.5 Display defect on the LCD
4.9 Fax Problems
4.9.1 No faxes can be sent
4.9.2 Speed dialing will not work
4.9.3 No faxes can be received
4.9.4 A communications error occurs
4.9.5 Receive mode cannot be changed
4.9.6 Caller ID not displayed
4.10 Other Problems
4.10.1 The machine cannot be powered on or nothing appears on the LCD
4.10.2 When the power is on, the scanner crackles
4.10.3 Memory card/PictBridge does not function
4.10.4 Cannot read data from memory card loaded in the media slot
4.10.5 Internal memory errors
4.10.6 Cannot load firmware
4.10.7 Secure Function Lock related problems
4.10.8 Problems with “Printing with black ink only”
4.10.9 Status monitor error “Disc Guide is Open” appears

CHAPTER 3. DISASSEMBLY AND ASSEMBLY
1 SAFETY PRECAUTIONS AND HANDLING NOTES
2 PACKING
3 SCREW CATALOGUE
4 SCREW TORQUE LIST
5 LUBRICATION
6 OVERVIEW OF GEARS
7 ROUTING OF HARNESSES, FLAT CABLES and INK SUPPY TUBES
8 DISASSEMBLY FLOW
9 DISASSEMBLY PROCEDURE
9.1 Preparation
9.2 Jam Clear Cover
9.3 Head/Carriage Unit
9.4 Document Scanner Unit and Scanner Cover Support
9.5 ADF & Document Cover ASSY (For models with ADF),
Document Cover ASSY (For models without ADF)
9.6 Disassembly of ADF & Document Cover ASSY (For models with ADF)
9.7 Control Panel ASSY
9.8 Disassembly of Control Panel ASSY
9.9 Speaker*, Front Cover and Wireless LAN PCB
9.10 Upper Cover, Ink Cartridge Cover and Media Module Cover
9.11 Main PCB
9.12 PS/MJ Shield Unit (MJ PCB*1 and Power Supply PCB)
9.13 CR Encoder Strip and its Guard Film
9.14 Carriage PCB ASSY, Ink Refill ASSY and Ink Cartridge Detection Sensor PCB
9.15 Ink Absorber Box and Ink Absorber Felt (for Ink Refill ASSY)
9.16 Engine Unit and Flushing Box
9.17 Components on the Engine Unit
9.18 Ink Cartridge Cover Sensor ASSY, Disc Guide Cover*, Disc Guide* and Disc Guide Sensor ASSY*
9.19 Bank ASSY and Base Pads on the Paper Tray ASSY

CHAPTER 4. ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT
1 IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT
1.1 Update the head property data stored in the EEPROM on the main PCB*
1.2 Clean the new head/carriage unit (Function code 76)
1.3 Print out a nozzle test pattern (Function code 09)
1.4 Adjust the inclination of the head/carriage unit
1.5 Update the paper feeding correction value (Function code 58)
1.6 Align vertical print lines in monochrome (Function code 65)
1.7 Adjust margins in borderless printing (Function code 66)
1.8 Create head calibration data and write it into flash ROM (Function code 02)
1.9 Check the operation of the pressure roller (Function code 63)
1.10 Print out a total quality check pattern
1.11 Switch back to standby
1.12 Replace the ink cartridges with the protective part
1.13 Obtain machine information at the user site (Instruction to the end user)
2 IF YOU REPLACE THE MAIN PCB
2.1 Load update programs/data
2.1.1 If the main PCB is replaced with a new one
2.1.2 If the main PCB loaded with programs is used (Updating existing programs)
2.2 Customize the EEPROM on the main PCB (Function code 74)
2.3 Initialize the EEPROM on the main PCB (Function code 01)
2.4 Load local programs
2.5 Restore machine information (Function code 46)
2.6 Restore head calibration data (Function code 68)
2.7 Check the sensor operation (Function code 32)
2.8 Specify the CIS type (Function code 59)
2.9 Acquire white level data and set CIS scanner area (Function code 55)
2.10 Set an ID code (change the serial number) and update the head property data
2.11 Update the paper feeding correction value (Function code 58)
2.12 Align vertical print lines (Function code 65)
2.13 Adjust margins in borderless printing (Function code 66)
2.14 Create head calibration data and write it into flash ROM (Function code 02)
2.15 Print out an ADF copy chart and make a copy of that chart in ADF scanning
2.16 Print out a total quality check pattern
2.17 Adjust the touch panel (Function code 78) (For models with touch panel)
2.18 Switch back to standby
3 IF YOU REPLACE THE ADF OR ADF-RELATED PARTS
3.1 Print out an ADF copy chart and make a copy of that chart in ADF scanning
4 IF YOU REPLACE THE INK ABSORBER BOX OR FLUSHING BOX
4.1 Reset each of the purge and flushing counts
5 IF YOU REPLACE THE CONTROL PANEL ASSY, PANEL PCB OR LCD UNIT
5.1 Adjust the touch panel (Function code 78) (For models with touch panel)
5.2 Check LCD operation (Function code 12)
5.3 Check the operation of the panel PCB (Function code 13)
6 IF YOU REPLACE THE FB UNIT* OR DOCUMENT SCANNER UNIT
6.1 Acquire white level data and set CIS scanner area (Function code 55)
6.2 Print out an ADF copy chart and make a copy of that chart in ADF scanning

CHAPTER 5. SERVICE FUNCTIONS
1 MAINTENANCE MODE
1.1 Entry to the Maintenance Mode
1.1.1 How to Enter the End User-accessible Maintenance Mode
1.1.2 How to Enter the Maintenance Mode Exclusive to Service Personnel
1.2 Key Operation in Maintenance Mode
1.2.1 Entering a Desired Function Code at the Initial Stage of the Maintenance Mode
1.2.2 Keys to be Used in the Maintenance Mode
1.3 List of Maintenance-mode Functions
1.4 Detailed Description of Maintenance-mode Functions
1.4.1 EEPROM Parameter Initialization (Function code 01, 91)
1.4.2 Creating of Head Calibration Data and Writing it into Flash ROM (Function code 02)
1.4.3 Printout of Scanning Compensation Data (Function code 05)
1.4.4 ADF Performance Test (Function code 08)
1.4.5 Printout of Nozzle Test Pattern (Function code 09)
1.4.6 Firmware Switch Setting and Printout (Function codes 10 and 11) (User-accessible)
1.4.7 Operational Check of LCD (Function code 12) (User-accessible)
1.4.8 Operational Check of Panel PCB (Function code 13)
1.4.9 EEPROM Dump and Log Information Transfer (Function code 17) (User-accessible)
1.4.10 Updating of Firmware Using an External Memory (Function code 28)
1.4.11 Sensor Operational Check (Function code 32)
1.4.12 Backup of Machine Information (Function code 46) (User-accessible)
1.4.13 Setting of Country/Language (Function code 52) (User-accessible)
1.4.14 Transfer of Received FAX Data and/or Equipment’s Log (Function code 53) (User-accessible)
1.4.15 Fine Adjustment of Scanning Position (Function code 54)
1.4.16 Acquisition of White Level Data and CIS Scanner Area Setting (Function code 55)
1.4.17 Updating of Paper Feeding Correction Value (Function code 58)
1.4.18 Checking of CIS Travel and Specifying of CIS Type (Function code 59)
1.4.19 Printout of PRN/JPEG Files in Memory Card (Function code 61)
1.4.20 Travel Check of the Head/Carriage Unit and Operational Check of the Pressure Roller (Function code 63)
1.4.21 Alignment of Vertical Print Lines in Monochrome (Function code 65)
1.4.22 Margin Adjustment in Borderless Printing (Function code 66) (User-accessible)
1.4.23 Updating of Head Property Data and Backup/Restoration of Head Calibration Data (Function code 68)
1.4.24 Traveling Speed Check of Head/Carriage Unit (Function code 69)
1.4.25 Cleaning of Leveler Roller (LR) ASSY (Function code 70)
1.4.26 EEPROM Customizing (Function code 74)
1.4.27 Travel of Head/Carriage Unit (for removing paper particles and dust accumulated on the maintenance unit) (Function code 75) (User-accessible)
1.4.28 Purge Operation (Function code 76) (User-accessible)
1.4.29 Print of the Equipment’s Log (Function code 77)
1.4.30 Adjustment of Touch Panel (Function code 78)
1.4.31 Display of the Equipment’s Log (Function code 80) (User-accessible)
1.4.32 Equipment Error Code Indication (Function code 82) (User-accessible)
1.4.33 Assurance Mode Switch Setting (Function code 88) (User-accessible)
2 OTHER SERVICE FUNCTIONS
2.1 Cancellation of the Pin TX Lock Mode (Not applicable to Japanese and U.S.A. models)
2.2 Displaying the Firmware Version
2.3 Moving the Head/Carriage Unit
2.4 Retrieving the Equipment Log Information

CHAPTER 6. Circuit Diagrams and Wiring Diagrams

APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETION OF USER SETTING INFORMATION
A2.1 Deleting User Setting Info from the Machine
APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER

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Content for Parts List Manual:
1. SCANNER-ADF
2. CARTRIDGE CASE
3. ENGINE
4. HEAD
5. PAPER TRAY
6. COVER
7. PANEL
8. PCB
9. ACCESSORIES
10. PRINTED MATERIALS
11. PACKAGING
12. OTHERS