Brother DCP-L5500D DCP-L5500DN DCP-L5502DN DCP-L5600DN DCP-L5602DN DCP-L5650DN DCP-L5652DN DCP-L6600DW MFC-8530DN MFC-8535DN MFC-8540DN MFC-L5700DN MFC-L5700DW MFC-L5702DW MFC-L5750DW MFC-L5755DW MFC-L5800DW MFC-L5802DW MFC-5850DW MFC-L5900DW MFC-L5902DW MFC-L6700DW MFC-L6702DW MFC-L6750DW MFC-L6800DW MFC-L6900DW MFC-L6902DW Service Manual and Parts List Manual

This service manual and parts list manual is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Brother copier.
You can print, zoom or read any diagram, picture or page from this full 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-L5500D DCP-L5500DN DCP-L5502DN DCP-L5600DN DCP-L5602DN DCP-L5650DN DCP-L5652DN DCP-L6600DW MFC-8530DN MFC-8535DN MFC-8540DN MFC-L5700DN MFC-L5700DW MFC-L5702DW MFC-L5750DW MFC-L5755DW MFC-L5800DW MFC-L5802DW MFC-5850DW MFC-L5900DW MFC-L5902DW MFC-L6700DW MFC-L6702DW MFC-L6750DW MFC-L6800DW MFC-L6900DW MFC-L6902DW photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:

SAFETY INFORMATION

CHAPTER 1) SUPPLEMENTAL SPECIFICATIONS
1. GENERAL
2. NETWORK CONNECTIVITY
3. SERVICE INFORMATION
4. SUPPLIES
5. MEDIA SPECIFICATIONS
6. FAX (ONLY FOR THE MODELS WITH FAX FUNCTION)
7. COPY
8. SCANNER

CHAPTER 2) ERROR INDICATIONS & TROUBLESHOOTING
1. INTRODUCTION
1.1 Precautions
1.2 Checks before Commencing Troubleshooting
2. OVERVIEW
2.1 Cross-section Drawing
2.1.1 Printer part
2.1.2 Scanner part
2.2 Paper Feeding
2.2.1 Printer part
2.2.2 Scanner part
2.3 Operation of Each Part
2.4 Block Diagram
2.5 Main Components
3. ERROR INDICATIONS
3.1 Error Codes
3.2 Error Messages
3.3 Communication Errors
4. TROUBLESHOOTING
4.1 Error Cause and Remedy
4.2 Troubleshooting for Paper Feeding Problems
4.2.1 No paper is fed from machine paper tray
4.2.2 No paper is fed from LT
4.2.3 No paper is fed from TT
4.2.4 No paper is fed from MP tray
4.2.5 Multiple sheets of paper are fed
4.2.6 Paper becomes wrinkled
4.2.7 Paper is fed at an angle
4.2.8 Paper is curled
4.2.9 Duplex printing is not possible
4.2.10 Paper jam
4.3 Troubleshooting for Image Defects
4.3.1 Image defect examples
4.3.2 Troubleshooting according to image defect
4.4 Troubleshooting for Software Problems
4.4.1 Cannot receive data
4.5 Troubleshooting for Network Problems
4.5.1 Cannot print via network connection
4.5.2 Cannot connect to access point
4.6 Troubleshooting for Control Panel Problems
4.6.1 Nothing is displayed on the LCD
4.6.2 Nothing is displayed on the LED
4.6.3 Control panel is inoperable
4.7 Troubleshooting for Toner and Drum Problems
4.7.1 New toner is not detected
4.7.2 Toner cartridge cannot be recognized
4.7.3 Error message prompting toner cartridge replacement does not disappear
4.7.4 Drum error
4.7.5 Error message prompting drum replacement does not disappear
4.8 Troubleshooting for Fuser Unit Problems
4.8.1 Fuser unit failure
4.9 Troubleshooting for Laser Unit Problems
4.9.1 Laser unit failure
4.10 Troubleshooting for PCB Problems
4.10.1 Main PCB failure
4.10.2 Memory full
4.11 Troubleshooting for Document Feeding Problems
4.11.1 No document is fed
4.11.2 Multiple documents are fed
4.11.3 Document jam
4.11.4 Document becomes wrinkled
4.11.5 Document size is not detected correctly
4.12 Troubleshooting for Image Defects
4.12.1 Defect examples
4.12.2 Troubleshooting according to image defect
4.13 Troubleshooting for Fax Problems
4.13.1 Fax cannot be sent
4.13.2 Fax cannot be received
4.13.3 Communication error occurs
4.14 Troubleshooting for Other Problems
4.14.1 Cannot print
4.14.2 Cannot update firmware
4.14.3 USB direct interface errors
4.14.4 “Paper Low” message does not disappear

CHAPTER 3) DISASSEMBLY/REASSEMBLY
1. SAFETY PRECAUTIONS
2. PACKING
3. SCREW CATALOGUE
4. SCREW TORQUE LIST
5. LUBRICATION
6. OVERVIEW OF GEARS
7. HARNESS ROUTING
8. DISASSEMBLY FLOW CHART
8.1 Machine
8.2 LT
9. DISASSEMBLY PROCEDURE
9.1 Preparation
9.2 Paper tray
9.3 Back cover / Outer chute
9.4 Fuser cover
9.5 Fuser unit
9.6 MP cover ASSY
9.7 Front cover ASSY
9.8 Side cover L
9.9 Side cover R
9.10 ADF/document scanner unit
9.11 ADF unit
9.11.1 ADF unit
9.11.2 Hinge L ASSY, Hinge R, Hinge R support, Hinge arm R
9.11.3 ADF cover ASSY, Document stopper
9.11.4 Gear cover, ADF front cover, Document sub tray
9.11.5 Document separate roller ASSY
9.11.6 ADF separation holder ASSY
9.11.7 Second side CIS unit, Second side CIS flat cable
(Models with duplex printing only)
9.12 Panel unit
9.12.1 Panel unit
9.12.2 Panel PCB ASSY, LCD (For LCD: 4.85 inch models)
9.12.3 Panel PCB ASSY, LCD, LCD relay PCB ASSY,
LCD relay flat cable (For LCD: 3.7 inch models)
9.12.4 Touch panel ASSY
9.12.5 NFC PCB ASSY (Models with NFC only)
9.13 USB host PCB ASSY
9.14 First side CIS unit, First side CIS flat cable
9.15 Joint cover ASSY
9.16 Modem PCB ASSY (Models with FAX only)
9.17 Stack sensor PCB ASSY (Models with USB host on the rear side only)
9.18 Main PCB ASSY / Wireless LAN PCB (Wireless LAN models only)
9.19 External temperature/humidity sensor
9.20 Laser unit
9.21 PF roller holder ASSY
9.22 Low-voltage power supply PCB ASSY
9.23 Toner amount detection sensor PCB ASSY (light emission)
9.24 Main fan
9.25 Filter
9.26 Relay front PCB ASSY
9.27 Registration clutch / T1 pickup clutch
9.28 Main frame L ASSY
9.29 Paper feed motor
9.30 Develop joint gear 37 / Develop joint
9.31 Toner amount detection sensor PCB ASSY (light reception)
9.32 MP solenoid
9.33 Develop clutch 51R
9.34 Internal temperature sensor
9.35 Fuser drive gear 39
9.36 Eject motor
9.37 Back cover/duplex tray sensor
9.38 LT/TT connector
9.39 High-voltage power supply PCB ASSY
9.40 Eject sensor PCB ASSY
9.41 MP roller holder ASSY / MP separation pad ASSY / MP separation pad spring
9.42 T1 paper feed sensor PCB ASSY /
T1 paper feed actuator / T1 paper feed actuator spring
9.43 MP paper empty sensor PCB ASSY /
MP paper empty actuator 1 / MP paper empty actuator 2
9.44 Paper empty sensor PCB ASSY (Models with USB host on the rear side only)
9.45 Registration front/rear sensor PCB ASSY
10. DISASSEMBLY PROCEDURE (LT UNIT)
10.1 Paper tray
10.2 LT roller holder ASSY
10.3 LT side cover L
10.4 LT side cover R
10.5 LT front cover ASSY
10.6 LT control PCB ASSY
10.7 LT pickup clutch
10.8 LT release clutch
10.9 LT connector ASSY / LT connector upper
10.10LT paper feed sensor PCB ASSY
10.11LT paper empty sensor PCB ASSY

CHAPTER 4) ADJUSTING AND UPDATING SETTINGS
AS REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY
1.1 Installing Firmware (Sub Firmware and Main Firmware)
1.1.1 Checking firmware version
1.1.2 Installing firmware
1.2 Adjusting Touch Panel (Function Code: 61)
1.3 Initializing the EEPROM of the Main PCB ASSY (Function Code: 01)
1.4 Configure for Country/Region and Model (Function Code: 74)
1.5 Activating Memory Writing
1.6 Setting Serial Number and Entering Adjusted Value of Laser Unit
1.7 Acquiring White Level Data (Function Code: 55)
1.8 Adjusting Left-end and Upper-end Print Position (Function Code: 45) (TT only)
1.9 Resetting to Factory Shipping State
2. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY
2.1 Resetting Irregular Power Supply Counter of the
Low-voltage Power Supply PCB (Function Code: 88)
3. IF YOU REPLACE THE LASER UNIT
3.1 Entering Adjusted Value of Laser Unit
3.2 Resetting Printed Pages Counter of the Laser Unit
4. IF YOU REPLACE THE LCD PANEL ASSY OR PANEL PCB
4.1 Adjusting Touch Panel (Function Code: 61)
4.2 Checking LCD Operation (Function Code: 12)
5. IF YOU REPLACE THE ADF UNIT, FIRST SIDE CIS UNIT,
SECOND SIDE CIS UNIT OR DOCUMENT SCANNER UNIT
5.1 Acquiring White Level Data (Function Code: 55)
5.2 Scanning and Printing Check
6. IF YOU REPLACE THE FUSER UNIT
6.1 Resetting Printed Pages Counter of the Fuser Unit
7. IF YOU REPLACE A PF KIT
7.1 Resetting Printed Pages Counter of a PF Kit
8. IF YOU REPLACE THE TT / LT
8.1 Installing Firmware (Main Firmware)
8.1.1 Checking firmware version
8.1.2 Installing firmware
8.2 Adjusting Left-end and Upper-end Print Position (TT only)

CHAPTER 5) SERVICE FUNCTIONS
1. MAINTENANCE MODE
1.1 How to Enter Maintenance Mode
1.1.1 Method of entering maintenance mode for service personnel
1.1.2 Method of entering end-user accessible maintenance mode
1.2 List of Maintenance Mode Functions
1.3 Details of Maintenance Mode Functions
1.3.1 Initialize EEPROM parameters (function code: 01, 91)
1.3.2 ADF performance test (function code: 08)
1.3.3 Print quality test pattern (function code: 09)
1.3.4 Set worker switches (WSW) and
print worker switch setting data (function code: 10, 11)
1.3.5 Check LCD operation (function code: 12)
1.3.6 Check control panel key operation (function code: 13)
1.3.7 Save NetConfig data (function code: 18)
1.3.8 Display software version (function code: 25)
1.3.9 Change OnePushDemo function setting (function code: 28)
1.3.10 Check sensor operation (function code: 32)
1.3.11 Display LAN connection status (function code: 33)
1.3.12 Set PC print functions (function code: 43)
1.3.13 Change USB No. return value / Adjust left-end print position /
Adjust upper-end print position / Set HEXDUMP Mode (function code: 45)
1.3.14 Adjust printable range for each speed level
(Full speed / Half speed for thick paper / Quiet Mode) (function code: 46)
1.3.15 Set country / language (function code: 52)
1.3.16 Transfer received fax data /
log information (function code: 53) (fax models only)
1.3.17 Fine-tune scanning position (function code: 54)
1.3.18 Acquire white level data and set CIS scan area (function code: 55)
1.3.19 Adjust touch panel (function code: 61)
1.3.20 Continuous print test (function code: 67)
1.3.21 Print frame pattern (single-side printing) (function code: 69)
1.3.22 Print frame pattern (duplex printing) (function code: 70)
1.3.23 Print test pattern (function code: 71)
1.3.24 Configure for country/region and model (function code: 74)
1.3.25 Print maintenance information (function code: 77)
1.3.26 Check main fan operation (function code: 78)
1.3.27 Delete fax data (function code: 79)
1.3.28 Display machine log information (function code: 80)
1.3.29 Display machine error code (function code: 82)
1.3.30 Send communication log information to telephone line (function code: 87)
1.3.31 Reset counters for consumable parts (function code: 88)
1.3.32 Quit maintenance mode (function code: 99)
2. OTHER SERVICE FUNCTIONS
2.1 Print Communication Error List
2.2 Reset the Drum Unit Counter

CHAPTER 6) WIRING DIAGRAM
1. WIRING DIAGRAM

CHAPTER 7) PERIODICAL MAINTENANCE
1. SAFETY PRECAUTIONS
2. PERIODICAL REPLACEMENT PARTS
2.1 Preparation
2.2 Fuser unit
2.3 Laser unit
2.4 PF kit MP
2.5 PF kit 1
2.6 PF kit 2/3/4/5

APPENDIX 1 SERIAL NUMBERING SYSTEM
APPENDIX 2 DELETING USER SETTING INFORMATION
APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER

& Parts List Manual