Brother DCP-375CW, DCP-395CN, MFC-255CW, MFC-295CN, MFC-495CW, MFC-795CW, DCP-J125, DCP-J315W, DCP-J515W, DCP-J715W, MFC-J220, MFC-J265W, MFC-J270W, MFC-J410, MFC-J410W, MFC-J415W, MFC-J615W, MFC-J630W, DCP-J140W, Service Manual

Service Manual Brother DCP375CW, DCP395CN, MFC255CW, MFC295CN, MFC495CW, MFC795CW, DCPJ125, DCPJ315W, DCPJ515W, DCPJ715W, MFCJ220, MFCJ265W, MFCJ270W, MFCJ410, MFCJ410W, MFCJ415W, MFCJ615W, MFCJ630W, DCPJ140W;
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. Every chapter on this manual is fully detailed and contain all theĀ  simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of Brother DCP375CW, DCP395CN, MFC255CW, MFC295CN, MFC495CW, MFC795CW, DCPJ125, DCPJ315W, DCPJ515W, DCPJ715W, MFCJ220, MFCJ265W, MFCJ270W, MFCJ410, MFCJ410W, MFCJ415W, MFCJ615W, MFCJ630W, DCPJ140W. You can find easily everything what do you need.
To see what contain, please read table of contents:

Chapter 1. PARTS NAMES AND FUNCTIONS
1.1 OUTLINE
1.2 CONTROL PANEL
1.3 COMBINATIONS OF TWO KEYS FOR SPECIAL FUNCTIONS
1.4 COMPONENTS

Chapter 2. SPECIFICATIONS
2.1 GENERAL
2.1.1 Media Specifications
2.1.2 Paper Handling
2.1.3 LCD/LED/Panel
2.1.4 Memory
2.1.5 Security
2.1.6 Interface
2.1.7 Others
2.2 TELEPHONE
2.2.1 Quick/Auto Dials
2.2.2 Tel Service
2.2.3 Message Center
2.3 FAX
2.3.1 Sending
2.3.2 Receiving
2.3.3 PC FAX
2.4 PRINTER
2.5 COPY
2.6 SCANNER
2.7 PHOTO CAPTURE
2.7.1 PictBridge
2.8 SOFTWARE
2.9 NETWORK
2.9.1 Wired
2.9.2 Wireless
2.10 SUPPLIES/OPTIONS
2.11 SERVICE INFORMATION
2.12 PAPER
2.12.1 Paper Specifications
2.12.2 Printable Area

Chapter 3. THEORY OF OPERATION
3.1 OVERVIEW
3.2 MECHANICAL COMPONENTS
3.2.1 Scanner Mechanism
3.2.2 Printing Mechanism
3.2.2.1 Ink supply and ink jet mechanism
[ 1 ] Overview
[ 2 ] Features
[ 3 ] Head/carriage unit
[ 4 ] Ink cartridges
[ 5 ] Ink refill assembly
[ 6 ] Ink supply tubes
3.2.2.2 Head maintenance mechanism
[ 1 ] Overview
[ 2 ] Maintenance unit components
[ 3 ] Mechanisms constituting the head maintenance mechanism
[ 4 ] Power transmission route to the head maintenance mechanism
and motor rotational direction
[ 5 ] Purge types, ink usage, purge counts, and purge codes
3.2.2.3 Carriage drive mechanism
3.2.2.4 Paper pulling-in, registration, feeding and ejecting mechanisms
3.2.3 Sensors and Actuators
3.3 CONTROL ELECTRONICS
3.3.1 Components

Chapter 4. ERROR INDICATION AND TROUBLESHOOTING
4.1 ERROR INDICATION
4.1.1 Equipment Errors
[ 1 ] Error messages appearing on the LCD
[ 2 ] Error codes contained in “MACHINE ERROR X X” messages
4.1.2 Communications Errors (For MFC only)
4.2 TROUBLESHOOTING
4.2.1 Introduction
4.2.2 Precautions
4.2.3 Checking Prior to Troubleshooting
4.2.4 Troubleshooting Based on Problem Type
[ 1 ] Control panel and LCD problems
[ 2 ] FAX/Telephone problems (For MFC only)
[ 3 ] Communications problems (For MFC only)
[ 4 ] Paper/document feeding problems
[ 5 ] Print-image problems
[ 6 ] PC-driven printing problems
[ 7 ] Printing from memory cards–Compact Flash*1, Memory Stick,
SD Memory Card, xD-Picture Card (For models with PhotoCapture
Center) and USB flash memory drive*2
[ 8 ] Wireless LAN (WLAN)*3
[ 9 ] Others
4.2.5 Problems Encountered Frequently in the Past
[ 1 ] Paper jams
[ 2 ] Ink-related problems
[ 3 ] Auto document feeder (ADF) malfunction (For models with ADF)
4.2.6 Possible Component Defects and Resulting Problems
[ 1 ] ADF mechanism (For models with ADF)
[ 2 ] Scanner mechanism
[ 3 ] Head/carriage unit drive and purge mechanisms
[ 4 ] Print head mechanism
[ 5 ] Sheet feeder (SF) mechanism
[ 6 ] Paper feeding mechanism
[ 7 ] Speaker
[ 8 ] Control panel
[ 9 ] PCBs
[ 10 ] Adjustments/data in the memories

Chapter 5. HANDLING DATA HELD IN THE MACHINE PRIOR TO
REPAIR
5.1 AT THE USER SITE
5.1.1 Transferring Received FAX Data
5.2 AT THE SERVICE SITE
5.2.1 Backing up Machine Information

Chapter 6. DISASSEMBLY/REASSEMBLY AND LUBRICATION
6.1 DISASSEMBLY/REASSEMBLY
Safety Precautions
Tightening Torque
Preparation
How to Access the Target Component
Disassembly Flowchart
6.1.1 Jam Clear Cover
6.1.2 Scanner Cover (Scanner Unit)
6.1.3 ADF & Document Cover ASSY*1
Document Cover*2
6.1.4 Disassembly of ADF & Document Cover ASSY (for models with ADF)
6.1.5 Control Panel ASSY
6.1.6 Disassembly of Control Panel ASSY
Models with color LCD
Models with monochrome LCD
6.1.7 Backup Battery (for models with backup battery), Speaker (for models
with speaker), Upper Cover, and Encoder Guard Film
6.1.8 Ink Cartridge Cover, Inner Media Module Cover, Front Cover, and
WLAN PCB (for wireless LAN-enabled models)
6.1.9 Main PCB
6.1.10 MJ/PS Shield Unit (MJ PCB* and Power Supply PCB)
6.1.11 Hook Switch PCB (for models with handset)
6.1.12 Head/Carriage Unit and Ink Refill ASSY
6.1.13 Ink Absorber Box, Ink Absorber Felts, and PF Encoder Disk
6.1.14 Engine Unit and Flushing Box
6.1.15 Components on the Engine Unit (Earth spring, Maintenance unit,
ASF motor*, Carriage motor, Star wheel holder, Paper ejection roller,
Platen, Inner chute ASSY, Registration sensor actuator, PF encoder/
registration sensor harness unit, Paper pull-in rollers R and L,
ASF gear shaft outer, and PE actuator)
6.1.16 Bank ASSY and Base Pad on the Paper Tray ASSY
6.1.17 Routing of the Harnesses, Flat Cables, and Ink Supply Tubes
6.2 LUBRICATION

Chapter 7. ADJUSTMENTS AND UPDATING OF SETTINGS,
REQUIRED AFTER PARTS REPLACEMENT
7.1 PREPARATION
7.1.1 Requirements
7.1.2 Installing the Maintenance USB Printer Driver
7.2 IF YOU REPLACE THE HEAD/CARRIAGE UNIT OR ENGINE UNIT
[ 1 ] Update the head property code stored in the EEPROM
on the main PCB
[ 2 ] Clean the new head/carriage unit (Function code 76)
[ 3 ] Print out a test pattern (Function code 09)
[ 4 ] Correct the positioning error of the head/carriage unit
[ 5 ] Update the paper feeding correction value (Function code 58)
[ 6 ] Align vertical print lines (Function code 65)
[ 7 ] Adjust margins in borderless printing (Function code 66)
[ 8 ] Print out a total quality check pattern
[ 9 ] Switch back to standby
[ 10 ] Replace the ink cartridges with the protective part
7.3 IF YOU REPLACE THE MAIN PCB
[ 1 ] Load update programs/data
[ 2 ] Initialize the EEPROM on the main PCB (Function code 01)
[ 3 ] Customize the EEPROM on the main PCB (Function code 74)
[ 4 ] Specify the CIS type (Function code 59)
[ 5 ] Check the control panel PCB for normal operation
(Function code 13)
[ 6 ] Check the sensor operation (Function code 32)
[ 7 ] Acquire white level data and set CIS scanner area
(Function code 55)
[ 8 ] Set an ID code and update the head property code
[ 9 ] Restore machine information (Function code 46)
[ 10 ] Update the paper feeding correction value (Function code 58)
[ 11 ] Align vertical print lines (Function code 65)
[ 12 ] Adjust margins in borderless printing (Function code 66)
[ 13 ] Print out an ADF copy chart and make a copy of that chart
in ADF scanning (For models with ADF)
[ 14 ] Check LCD operation and specify the LCD type
(Function code 12)
[ 15 ] Adjust the touch panel (Function code 78)
(For models with touch panel)
[ 16 ] Print out a total quality check pattern
[ 17 ] Switch back to standby
7.4 IF YOU REPLACE THE ADF & DOCUMENT COVER ASSY OR
ADF-RELATED PARTS (FOR MODELS WITH ADF)
[ 1 ] Print out an ADF copy chart and make a copy of that chart
in ADF scanning
7.5 IF YOU REPLACE THE INK ABSORBER BOX OR FLUSHING BOX
[ 1 ] Reset each of the purge and flushing counters
7.6 IF YOU REPLACE THE CONTROL PANEL ASSY OR CONTROL PANEL PCB
[ 1 ] Check LCD operation and specify the LCD type
(Function code 12)
[ 2 ] Check the operation of the control panel PCB (Function code 13)
[ 3 ] Adjust the touch panel (Function code 78)
(For models with touch panel)
7.7 IF YOU REPLACE THE LCD UNIT
[ 1 ] Check LCD operation and specify the LCD type
(Function code 12)
7.8 IF YOU REPLACE THE FB UNIT* OR SCANNER COVER (SCANNER UNIT)
[ 1 ] Load update programs/data
[ 2 ] Specify the CIS type (Function code 59)
[ 3 ] Acquire white level data and set CIS scanner area
(Function code 55)
[ 4 ] Print out an ADF copy chart and make a copy of that chart
in ADF scanning (For models with ADF)

Chapter 8. CLEANING
8.1 CLEANING THE EXTERNAL AND INTERNAL SURFACE OF THE MACHINE
8.2 CLEANING THE MAINTENANCE UNIT

Chapter 9. MAINTENANCE MODE
9.1 ENTRY INTO THE MAINTENANCE MODE
9.2 LIST OF MAINTENANCE-MODE FUNCTIONS
9.3 USER-ACCESS TO THE MAINTENANCE MODE
9.4 DETAILED DESCRIPTION OF MAINTENANCE-MODE FUNCTIONS
9.4.1 EEPROM Parameter Initialization (Function code 01, 91)
9.4.2 Printout of Scanning Compensation Data (Function code 05)
9.4.3 ADF Performance Test (Function code 08)
9.4.4 Test Pattern (Function code 09)
9.4.5 Firmware Switch Setting and Printout
(Function codes 10 and 11) (User-accessible)
9.4.6 Operational Check of LCD and Specifying of the LCD Type
(Function code 12) (User-accessible)
9.4.7 Operational Check of Control Panel PCB (Function code 13)
9.4.8 Updating of Firmware Using an External Memory (Function code 28)
9.4.9 Sensor Operational Check (Function code 32)
9.4.10 Printout of Dial Log (Function code 37) (User-accessible)
9.4.11 Backup of Machine Information (Function code 46) (User-accessible)
9.4.12 Setting of Country/Language (Function code 52) (User-accessible)
9.4.13 Transfer of Received FAX Data and/or Equipment’s Log
(Function code 53) (User-accessible)
9.4.14 Fine Adjustment of Scanning Start/End Position (Function code 54)
9.4.15 Acquisition of White Level Data and CIS Scanner Area Setting
(Function code 55)
9.4.16 Updating of Paper Feeding Correction Value (Function code 58)
9.4.17 Checking of CIS Travel and Specifying of CIS Type (Function code 59)
9.4.18 Printout of PRN Files in Memory Card (Function code 61)
9.4.19 Travel Check of the Head/Carriage Unit and Initial Setup Mode
(Function code 63)
9.4.20 Alignment of Vertical Print Lines in Monochrome (Function code 65)
9.4.21 Margin Adjustment in Borderless Printing (Function code 66)
(User-accessible)
9.4.22 Updating of Property Data (Function code 68)
9.4.23 Head/Carriage Unit Traveling Speed Check (Function code 69)
9.4.24 EEPROM Customizing (Function code 74)
9.4.25 Travel of Head/Carriage Unit (for removing paper particles and
dust accumulated on the maintenance unit) (Function code 75)
(User-accessible)
9.4.26 Purge Operation (Function code 76) (User-accessible)
9.4.27 Print of the Equipment’s Log (Function code 77)
9.4.28 Adjustment of Touch Panel (Function code 78)
9.4.29 Display of the Equipment’s Log (Function code 80) (User-accessible)
9.4.30 Equipment Error Code Indication (Function code 82) (User-accessible)
9.4.31 Output of Transmission Log to the Telephone Line (Function code 87)
(User-accessible)
9.4.32 Assurance Mode Switch Setting (Function code 88) (User-accessible)
9.4.33 Cancellation of the Pin TX Lock Mode (Not applicable to Japanese
and U.S.A. models)

Appendix 1. Reading Labels
Appendix 2. Firmware Installation
Appendix 3. EEPROM Customizing Codes
Appendix 4. Firmware Switches (WSW)
Appendix 5. Wiring Diagrams
Appendix 6. Circuit Diagrams
Appendix 7. Deletion of User Setting Information

Number of pages: 537.