Brother DCP-J552DW DCP-J752DW MFC-J285DW MFC-J450DW MFC-J470DW MFC-J475DW MFC-J650DW MFC-J870DW MFC-J875DW Service Manual and Parts List Manual

Service Manual and Parts List Manual Brother DCP-J552DW DCP-J752DW MFC-J285DW MFC-J450DW MFC-J470DW MFC-J475DW MFC-J650DW MFC-J870DW MFC-J875DW;
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-J552DW DCP-J752DW MFC-J285DW MFC-J450DW MFC-J470DW MFC-J475DW MFC-J650DW MFC-J870DW MFC-J875DW. You can find easily everything what do you need.
To see what contain, please read table of contents:

Content for Service Manual:
REGULATION
SAFETY INFORMATION

CHAPTER 1. SPECIFICATIONS
1 GENERAL
1.1 General
1.2 Media Specification
1.3 Paper Handling
1.4 LCD Panel
1.5 Memory
1.6 Interface
1.7 Others
2 FAX
3 PRINTER
4 COPY
5 SCANNER
6 SOFTWARE
7 NETWORK
7.1 Network
7.2 Wired
7.3 Wireless
8 SUPPLIES/OPTIONS
9 SERVICE INFORMATION
10 PAPER
10.1 Paper
10.2 Printable Area

CHAPTER 2. TROUBLESHOOTING
1 INTRODUCTION
1.1 Precautions
1.2 Initial Check
2 OVERVIEW
2.1 Cross-section Drawings
2.1.1 Document scanning
2.1.2 Printer part
2.2 Document Feeding/Recording Paper Feeding
2.2.1 Document feeding
2.2.2 Recording paper feeding path
2.3 Function of Each Sensor/Roller
2.4 Block Diagram
2.5 Components
3 ERROR INDICATION
3.1 Error Codes
3.2 Error Messages
3.3 Communications Error
4 TROUBLESHOOTING
4.1 Error Cause and Solutions
4.2 Recording Paper Feeding Problems
4.2.1 Recording paper is not fed from paper tray
4.2.2 The disc tray is not fed
4.2.3 Two or more sheets of paper fed at a time
4.2.4 Recording paper feeding at an angle
4.2.5 Recording paper is wrinkling
4.2.6 Recording paper jam
4.2.7 Disc tray jam
4.2.8 Cannot perform duplex printing
4.3 Print-image Problems
4.3.1 Defective images
4.3.2 Troubleshooting by print-image defect
4.4 Software-related Problems
4.4.1 Cannot print data
4.5 Network Problems
4.5.1 Cannot print through a network connection
4.6 Control Panel Problems
4.6.1 No display on the LCD
4.6.2 LED does not light up
4.6.3 The control panel does not work
4.6.4 Touch panel inoperative
4.7 Document Feeding Problems
4.7.1 Document cannot be fed
4.7.2 Document double feeding
4.7.3 Document jam
4.7.4 Wrinkles on documents
4.7.5 Document size not correctly detected
4.8 Scanned-image Problems
4.8.1 Defective images
4.8.2 Scanned-image Problems
4.9 Fax Problems
4.9.1 Fax sending cannot be performed
4.9.2 Cannot receive fax
4.9.3 A communications error occurs
4.10 Other Problems
4.10.1 The machine cannot be powered on
4.10.2 Memory card/PictBridge does not function (no response)
4.10.3 Memory card/PictBridge data cannot be read
4.10.4 Internal memory errors
4.10.5 Security function lock related problems

CHAPTER 3. DISASSEMBLY AND ASSEMBLY
1 PRECAUTIONS BEFORE PROCEEDING
2 PACKING
3 SCREW CATALOGUE
4 SCREW TORQUE LIST
5 LUBRICATION
6 OVERVIEW OF GEARS
7 ROUTING OF HARNESSES AND INK SUPPLY TUBES
8 DISASSEMBLY FLOW
9 DISASSEMBLY PROCEDURE
9.1 Preparations
9.2 Jam Clear Cover
9.3 The Head/Carriage Unit, CR Timing Belt, and Leveler Roller ASSY
9.4 Document Scanner Unit, ADF Unit (Models with ADF), and Document Cover ASSY (Models without ADF)
9.5 CIS Unit and CIS Flat Cable
9.6 Component on the ADF Unit (For ADF Models Only)
9.7 Front Plate and Control Panel ASSY
9.8 Upper Cover and Ink Cartridge Cover
9.9 Document Scanner Sensor
9.10 Inner Media Module Cover and NFC PCB
9.11 Wireless LAN PCB ASSY
9.12 Main PCB
9.13 MJ PCB ASSY
9.14 Power Supply PCB ASSY
9.15 Carriage PCB ASSY
9.16 Ink Refill ASSY
9.17 Ink Absorber Box and Ink Absorber Felt (for the ink refill ASSY)
9.18 Engine Unit, Flushing Box, and Ink Absorber Felt (for the Maintenance Unit)
9.19 Maintenance unit
9.20 Components on the Engine Unit
9.21 Ink Cartridge Cover Sensor ASSY
9.22 Base Pad on Paper Tray ASSY

CHAPTER 4. ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT
1 IF YOU REPLACE THE MAIN PCB ASSY
1.1 Customize Destinations (Maintenance mode 74)
1.2 Automatically Set the CIS Type (Maintenance mode 59)
1.3 Install the Firmware (Maintenance mode 28)
1.4 EEPROM Parameter Initialization (Maintenance mode 01)
1.5 Restore Head Calibration Data (Maintenance mode 68)
1.6 Set the Serial Number (Maintenance mode 80)
1.7 Update the head property data (Maintenance mode 68)
1.8 Restore machine information (Maintenance mode 46)
1.9 Adjust the Touch Panel (Maintenance mode 78)
1.10 Acquire Black and White Level Data (Maintenance mode 55)
1.11 Adjustment of Ruled Lines (Maintenance mode 65)
1.12 Update the Paper Feeding Correction Values (Maintenance mode 58)
1.13 Margin Adjustment in Borderless Printing (Maintenance Mode 66)
1.14 Reset Purge and Flushing Counts (Maintenance mode 80)
1.15 Creating of Head Calibration Data and Writing it into Flash ROM (Maintenance mode 02)
1.16 Check Scanning and Printing
2 IF YOU REPLACE THE HEAD/CARRIAGE UNIT
2.1 Update the Head Property Data (Maintenance mode 68)
2.2 Supply Head Ink (Maintenance mode 76)
2.3 Check Head Nozzles (Maintenance mode 09)
2.4 Adjust the Head/carriage Unit Inclination
2.5 Adjustment of Ruled Lines (Maintenance mode 65)
2.6 Update the Paper Feeding Correction Values (Maintenance mode 58)
2.7 Margin Adjustment in Borderless Printing (Maintenance mode 66)
2.8 Write Head Calibration Data (Maintenance mode 02)
2.9 Check Printing
2.10 Obtain machine information (instruction to the end user)
3 IF YOU REPLACE THE DOCUMENT SCANNER UNIT OR CIS UNIT
3.1 Set the CIS Type (Maintenance mode 59)
3.2 Acquire Black and White Level Data (Maintenance mode 55)
3.3 Check Scanning
4 IF YOU REPLACE THE CONTROL PANEL ASSY
4.1 Adjust the Touch Panel (Maintenance mode 78)
4.2 Operational Check of the LCD (Maintenance mode 12)
4.3 Check the Operation of the Control Panel Keys (Maintenance mode 13)
5 IF YOU REPLACE THE INK ABSORBER BOX OR FLUSHING BOX
5.1 Reset Purge and Flushing Counts (Maintenance mode 80)
6 IF YOU REPLACE THE ENGINE UNIT, RECORDING PAPER FEEDING RELATED PARTS OR MAINTENANCE UNIT
6.1 Check Head Nozzles (Maintenance mode 09)
6.2 Adjustment of Ruled Lines (Maintenance mode 65)
6.3 Update the Paper Feeding Correction Values (Maintenance mode 58)
6.4 Margin Adjustment in Borderless Printing (Maintenance mode 66)
6.5 Check Printing

CHAPTER 5. SERVICE FUNCTIONS
1 MAINTENANCE MODE
1.1 Entry to the Maintenance Mode
1.1.1 How to Enter the Maintenance Mode Exclusive to Service Personnel
1.1.2 How to Enter the End User-accessible Maintenance Mode
1.2 List of Maintenance-mode Functions
1.3 Detailed Description of Maintenance-mode Functions
1.3.1 EEPROM Parameter Initialization (Maintenance mode 01, 91)
1.3.2 Creating of Head Calibration Data and Writing it into Flash ROM (Maintenance mode 02)
1.3.3 Printout of Scanning Compensation White/Black Level Data (Maintenance mode 05)
1.3.4 ADF Performance Test (Maintenance mode 08)
1.3.5 Printout of Test Pattern (Maintenance mode 09)
1.3.6 Worker Switch (WSW) Setting and Printout (Maintenance modes 10, 11)
1.3.7 Check LCD operation (Maintenance mode 12)
1.3.8 Operational Check of Keys on Control Panel (Maintenance mode 13)
1.3.9 EEPROM Dump and Log Information Saving (Maintenance mode 17)
1.3.10 Updating of Firmware Using an External Memory (Maintenance mode 28)
1.3.11 Sensor Operational Check (Maintenance mode 32)
1.3.12 Printout of Dial Log (Maintenance mode 37)
1.3.13 Backup of Machine Information (Maintenance mode 46)
1.3.14 Setting of Country/Language (Maintenance mode 52)
1.3.15 Transfer of Received FAX Data and/or Equipment’s Log (Maintenance mode 53)
1.3.16 Fine Adjustment of Scanning Position (Maintenance mode 54)
1.3.17 Acquisition of White/Black Level Data and CIS Scanner Area Setting (Maintenance mode 55)
1.3.18 Cartridge IC Communication Check (Maintenance mode 57)
1.3.19 Updating of Paper Feeding Correction Value (Maintenance mode 58)
1.3.20 Checking of CIS Travel and Specifying of CIS Type (Maintenance mode 59)
1.3.21 Printout of PRN/JPEG Files in Memory Card (Maintenance Mode 61)
1.3.22 Move of the Head/Carriage Unit to the Adjustment Position, and Check of the Pressure Roller Release Operation (Maintenance mode 63)
1.3.23 Adjustment of the Vertical Print Lines/Ruled Lines (Maintenance mode 65)
1.3.24 Margin Adjustment in Borderless Printing (Maintenance mode 66)
1.3.25 Updating of Head Property Data and Backup/Restoration of Head Calibration Data (Maintenance mode 68)
1.3.26 Traveling Speed Check of Head/Carriage Unit (Maintenance mode 69)
1.3.27 Customize Code Destinations (Maintenance mode 74)
1.3.28 Move of the Head/Carriage Unit to the Center (Maintenance mode 75)
1.3.29 Purge Operation (Maintenance mode 76)
1.3.30 Print of the Maintenance Information (Maintenance mode 77)
1.3.31 Adjust the Touch Panel (Maintenance mode 78)
1.3.32 Display of the Equipment’s Log (Maintenance mode 80)
1.3.33 Equipment Error Code Indication (Maintenance mode 82)
1.3.34 Output of Transmission Log to the Telephone Line (Maintenance mode 87)
1.3.35 Assurance Mode Switch Setting (AMS) (Maintenance mode 88)
2 OTHER SERVICE FUNCTIONS
2.1 Displaying the Firmware Version
2.2 Moving the Head/Carriage Unit
2.3 Retrieving the Equipment Log Information

CHAPTER 6. CIRCUIT DIAGRAMS AND WIRING DIAGRAMS

CHAPTER 7. PERIODICAL MAINTENANCE
1 PERIODICAL REPLACEMENT PARTS

APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETION OF USER SETTING INFORMATION
A2.1 DELETION OF USER SETTING INFORMATION
APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER

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Content for Parts List Manual:
1. ADF & DOCUMENT COVER ASSY
2. DOCUMENT SCANNER
3. CARTRIDGE CASE
4. ENGINE
5. HEAD
6. PAPER TRAY
7. COVERS & LABELS
8. PANEL
9. PCB
10. ACCESSORIES
11. PRINTED MATERIALS
12. PACKING MATERIALS
13. OTHERS