Brother MFC-J2330DW/J2730DW MFC-J5330DW/J5335DW MFC-J5730DW/J5830DW MFC-J5930DW Service Manual and Parts Catalog


Accurate and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.
Present service manual and parts catalog Brother MFC-J2330DW/J2730DW MFC-J5330DW/J5335DW MFC-J5730DW/J5830DW MFC-J5930DW contain clear instructions and procedures on how to fix the problems occurring in your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

Content for Service Manual:
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 Unprintable 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 Path/Recording Paper Feeding Path
2.2.1 Document Feeding Path
2.2.2 Recording Paper Feeding Path
2.3 Parts Names and Functions
2.4 Block Diagram
2.5 Components
3 ERROR INDICATION
3.1 Error Code
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 Paper is not fed from paper tray #1/#2
4.2.2 Paper is not fed from manual feed slot
4.2.3 Paper is not fed from MP tray
4.2.4 Two or more sheets of paper are fed from the paper tray
4.2.5 Two or more sheets of paper are fed from the MP tray
4.2.6 Paper feeding at an angle
4.2.7 Recording paper jam
4.2.8 Prints only single side of the paper when duplex-printing
4.2.9 “No recording paper is loaded in the paper tray” is displayed
4.3 Print-image Problems
4.3.1 Defective images
4.3.2 Print-image problems
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 Control Panel Problems
4.6.1 No display on LCD/Incorrect display on LCD
4.6.2 No display on LED
4.6.3 The control panel does not work
4.6.4 Touch panel inoperative
4.7 Document Feeding Problems
4.7.1 Document can not 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 Troubleshooting from image defect
4.9 Fax Problems
4.9.1 No faxes can be sent
4.9.2 No faxes can be received
4.9.3 A communications error occurs
4.10 Other Problems
4.10.1 The machine cannot be powered ON
4.10.2 USB flash memory does not function
4.10.3 Data of USB flash memory does not read
4.10.4 Internal memory errors
4.10.5 Security Function Lock related problems
4.10.6 Ink cartridge related problems
4.10.7 Noise comes from machine
4.10.8 “Unsupported USB device is connected” is displayed

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 Preparation
9.2 MP Side Cover L
9.3 MP Side Cover R
9.4 MP Tray ASSY/MP Paper Detection Sensor PCB
9.5 Jam Clear Cover
9.6 Document Scanner Side Cover L
9.7 Document Scanner Side Cover R
9.8 ADF Unit/Document Scanner Unit
9.9 ADF Front Cover
9.10 ADF Rear Cover
9.11 ADF Cover
9.12 Document Separation Roller ASSY
9.13 ADF Separation Pad Holder ASSY
9.14 ADF Document Support
9.15 ADF Hinge
9.16 ADF Document Detection Sensor PCB
9.17 Document Scanning Position Sensor PCB
9.18 Second Side CIS Flat Cable/Second Side CIS Unit
9.19 First Side CIS Unit/First Side CIS Flat Cable
9.20 Document Cover Sensor
9.21 Front Cover L
9.22 Ink Cartridge Cover
9.23 Upper Cover
9.24 Control Panel ASSY
9.25 Panel Flat Cable
9.26 NFC PCB
9.27 Panel PCB
9.28 LCD PCB
9.29 LCD
9.30 Touch Panel
9.31 Wireless LAN PCB
9.32 Main PCB
9.33 Modem PCB
9.34 Carriage PCB ASSY
9.35 Head Joint Rubber
9.36 Head/carriage Unit
9.37 CR Timing Belt
9.38 Ink Refill ASSY
9.39 Ink Absorber Felt (For Ink Refill ASSY) / Ink Absorber Felt 2
(For Ink Refill ASSY)
9.40 Ink Cartridge Cover Sensor
9.41 Ink Absorber Box
Confidential
9.42 Switchback Sensor PCB
9.43 CR Encoder Strip
9.44 Carriage Motor
9.45 Flushing Base
9.46 LT Frame ASSY
9.47 T2 Bank ASSY
9.48 Power Supply PCB ASSY
9.49 Switchback Roller
9.50 PF Encoder Disk
9.51 PF Encoder Sensor PCB
9.52 Paper Feed Motor
9.53 Paper Feed Roller
9.54 Maintenance Unit
9.55 Ink Absorber Felt (For Maintenance Unit)
9.56 Platen/Paper Ejection Roller
9.57 Registration Sensor PCB
9.58 Flushing Box
9.59 Paper Feed Arm Frame ASSY
9.60 T1 Bank ASSY
9.61 T1 Base Pad / T2 Base Pad

CHAPTER 4) ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT
1 IF YOU REPLACE THE MAIN PCB
1.1 Customize destinations (Maintenance mode 74)
1.2 Set the CIS type (Maintenance mode 59)
1.3 Install the firmware (Maintenance mode 28)
1.4 Initialize the EEPROM parameters (Maintenance mode 01)
1.5 Restore the head property data (Maintenance mode 68)
1.6 Set the serial number (Maintenance mode 80)
1.7 Updating of 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 white/black level data (Maintenance mode 55)
1.11 Adjustment of software correction for inclination/corrugation/ruled lines
(Maintenance mode 65)
1.12 Updating of paper feeding correction values (Maintenance mode 58)
1.13 Adjustment of margins in borderless printing (Maintenance mode 66)
1.14 Reset purge and flushing counts
1.15 Write head calibration data (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 Perform ink supply purge (Maintenance mode 76)
2.3 Check head nozzles (Maintenance mode 09)
2.4 Adjust head inclination
2.5 Adjustment of software correction for inclination/corrugation/ruled lines
(Maintenance mode 65)
2.6 Updating of paper feeding correction values (Maintenance mode 58)
2.7 Adjustment of margins in borderless printing (Maintenance mode 66)
2.8 Write head calibration data (Maintenance mode 02)
2.9 Check printing
2.10 Obtain machine information at the user site (Instruction to the end user)
3 IF YOU REPLACE THE DOCUMENT SCANNER UNIT, ADF UNIT OR CIS UNIT
3.1 Set the CIS type (Maintenance mode 59) (Not required after replacement of the
ADF unit on simplex scanning models)
3.2 Acquire white/black level data (Maintenance mode 55) (Not required after
replacement of the ADF unit on simplex scanning models)
3.3 Check scanning
4 IF YOU REPLACE THE CONTROL PANEL ASSY
4.1 Adjust the touch panel (Maintenance mode 78)
4.2 Check LCD operation (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
6 IF YOU REPLACE THE PAPER FEEDING RELATED PARTS AND MAINTENANCE UNIT
6.1 Check head nozzles (Maintenance mode 09)
6.2 Adjustment of software correction for inclination/corrugation/ruled lines
(Maintenance mode 65)
6.3 Updating of paper feeding correction values (Maintenance mode 58)
6.4 Adjustment of margins 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 for 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 ADF Performance Test (Maintenance mode 08)
1.3.4 Printout of Test Pattern (Maintenance mode 09)
1.3.5 Worker Switch Setting and Printout (Maintenance modes 10 and 11)
1.3.6 Operational Check of LCD (Maintenance mode 12)
1.3.7 Operational Check of Keys on Control Panel (Maintenance mode 13)
1.3.8 EEPROM Dump and Log Information Saving (Maintenance mode 17)
1.3.9 Updating of Firmware Using a USB flash memory
(Maintenance mode 28)
1.3.10 Sensor Operational Check (Maintenance mode 32)
1.3.11 Printout of Dial Log (Maintenance mode 37)
1.3.12 PCL/PS function setting (Maintenance mode 45)
1.3.13 Backup of Machine Information (Maintenance mode 46)
1.3.14 Transfer of Received FAX Data and/or Equipment’s Log
(Maintenance mode 53)
1.3.15 Fine Adjustment of Scanning Position (Maintenance mode 54)
1.3.16 Acquisition of White/Black Level Data (Maintenance mode 55)
1.3.17 Cartridge IC Communication Check (Maintenance mode 57)
1.3.18 Updating of Paper Feeding Correction Values (Maintenance mode 58)
1.3.19 Checking of CIS Travel and Specifying of CIS Type
(Maintenance mode 59)
1.3.20 Printout of PRN/JPEG Files in USB Flash Memory
(Maintenance mode 61)
1.3.21 Move of the Head/Carriage Unit to the Adjustment Position
(Maintenance mode 63)
1.3.22 Adjustment of Software Correction for Inclination/Corrugation/Ruled Lines
(Maintenance mode 65)
1.3.23 Adjustment of Margins in Borderless Printing (Maintenance mode 66)
1.3.24 Updating of Head Property Data and Backup/Restoration of Head Calibration
Data (Maintenance mode 68)
1.3.25 Traveling Speed Check of Head/Carriage Unit (Maintenance mode 69)
1.3.26 Customizing Destinations (Maintenance mode 74)
1.3.27 Move of the Head/Carriage Unit to the Flushing Position
(Maintenance mode 75)
1.3.28 Purge Operation (Maintenance mode 76)
1.3.29 Print of the Maintenance Information (Maintenance mode 77)
1.3.30 Adjustment of Touch Panel (Maintenance mode 78)
1.3.31 Display of the Equipment’s Log (Maintenance mode 80)
1.3.32 Equipment Error Code Indication (Maintenance mode 82)
1.3.33 Output of Transmission Log to the Telephone Line
(Maintenance mode 87)
1.3.34 Assurance Mode Switch Setting (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
APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER

& Parts Catalog

Brother MFC-J2330DW MFC-J2730DW MFC-J5330DW MFC-J5335DW MFC-J5730DW MFC-J5830DW MFC-J5930DW MFCJ2330DW MFCJ2730DW MFCJ5330DW MFCJ5335DW MFCJ5730DW MFCJ5830DW MFCJ5930DW MFC J2330DW MFC J2730DW MFC J5330DW MFC J5335DW MFC J5730DW MFC J5830DW MFC J5930DW J2330DW/J2730DW/J5330DW/J5335DW/J5730DW/J5830DW/J5930DW