Brother HL-5440D, HL-5450DN, HL-5450DNT, HL-5470DW, HL-5470DWT, HL-6180DW, HL-6180DWT, Service Manual

Service Manual Brother HL-5440D, HL-5450DN, HL-5450DNT, HL-5470DW, HL-5470DWT, HL-6180DW, HL-6180DWT;
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 HL-5440D, HL-5450DN, HL-5450DNT, HL-5470DW, HL-5470DWT, HL-6180DW, HL-6180DWT. You can find easily everything what do you need.
To see what contain, please read table of contents:

REGULATION
SAFETY INFORMATION

CHAPTER 1. SPECIFICATIONS
1. SPECIFICATIONS LIST
1.1 General
1.2 Network Connectivity
1.3 Service Information
1.4 Supplies
1.5 Paper
1.5.1 Paper handling
1.5.2 Media specifications
1.5.3 Type and size of paper
1.6 Printable Area

CHAPTER 2. TROUBLESHOOTING
1. INTRODUCTION
1.1 Precautions
1.2 Checks before Commencing Troubleshooting
2. OVERVIEW
2.1 Cross-section Drawing
2.2 Paper Feeding
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 LED Display (LED Model)
3.3.1 LED display when operator call occurs
3.3.2 LED display when service call occurs
4. TROUBLESHOOTING
4.1 Error Cause and Remedy
4.2 Troubleshooting for Paper Feeding Problems
4.2.1 Multiple sheets of paper are fed
4.2.2 Paper becomes wrinkled
4.2.3 Paper is fed at an angle
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4.2.4 Duplex printing is not possible
4.2.5 Paper is curled
4.2.6 Only single surface is printed in duplex printing mode
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 print 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 LEDs are not activated
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 Cartridge error (toner cartridge cannot be detected)
4.7.3 Drum error
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 High-voltage power supply PCB failure
4.10.3 Low-voltage power supply PCB failure
4.11 Troubleshooting for Other Problems
4.11.1 Machine is not turned ON
4.11.2 Main fan does not rotate
4.11.3 Main motor failure
4.11.4 Unusual noise is generated from the machine

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
9. DISASSEMBLY PROCEDURE
9.1 Preparation
9.2 Paper tray 1
9.3 Back cover / Outer chute
9.4 Fuser cover
9.5 MP cover ASSY
9.6 Front cover ASSY
9.7 Side cover L / Access cover
9.8 Side cover R
9.9 Top cover ASSY
9.10 Control panel
9.11 Paper stack lever
9.12 Wireless LAN PCB (Wireless Network model only)
9.13 Fuser unit
9.14 Main PCB ASSY
9.15 Laser unit
9.16 Low-voltage power supply PCB ASSY
9.17 Toner LED PCB ASSY
9.18 Main fan
9.19 Air duct / Filter
9.20 Relay front PCB ASSY
9.21 Registration clutch / T1 clutch
9.22 Main frame L ASSY
9.23 Main motor ASSY
9.24 Develop joint gear 37 / Develop joint
9.25 LT drive gear 29
9.26 Toner sensor PCB ASSY
9.27 MP solenoid
9.28 Develop clutch 51R / Develop one way clutch 53
9.29 New toner actuator
9.30 Fuser drive gear 39
9.31 Duplex solenoid
9.32 Back cover sensor
9.33 LT connector (T1)
9.34 T1 roller holder ASSY
9.35 High-voltage power supply PCB ASSY
9.36 Eject sensor PCB ASSY
9.37 MP roller holder ASSY / MP separation pad ASSY / MP separation pad spring
9.38 T1 paper feed sensor PCB ASSY /
T1 paper feed actuator / T1 paper feed actuator spring
9.39 MP paper empty sensor PCB ASSY /
MP paper empty actuator 1 / MP paper empty actuator 2
9.40 Registration front/rear sensor PCB ASSY / Registration front actuator
/ Registration rear actuator / Registration actuator spring
10. DISASSEMBLY PROCEDURE (LT UNIT)
10.1 Paper tray 2
10.2 T2 roller holder ASSY
10.3 T2 side cover L
10.4 T2 side cover R
10.5 T2 front cover ASSY
10.6 T2 relay PCB ASSY
10.7 T2 clutch
10.8 T2 paper feed sensor PCB ASSY
10.9 T2 back cover
10.10LT connector ASSY (T2)

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, Main Firmware)
1.1.1 Checking firmware version
1.1.2 Installing firmware
1.2 Setting Default Paper Size
1.3 Setting Serial Number and Entering Adjusted Value of Laser Unit
2. IF YOU REPLACE THE LASER UNIT
2.1 Entering Adjusted Value of Laser Unit
3. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY
3.1 Resetting Irregular Power Supply Detection Counter
4. IF YOU REPLACE THE HIGH-VOLTAGE POWER SUPPLY PCB ASSY
4.1 Initializing Pre-discharge Detection Parameters
5. IF YOU REPLACE ANY PERIODIC REPLACEMENT PARTS
5.1 Resetting Counter of Periodic Replacement Parts

CHAPTER 5. SERVICE FUNCTIONS
1. MAINTENANCE MODE
1.1 How to Enter Maintenance Mode
1.1.1 Method of entering end-user accessible maintenance mode
1.1.2 Method of entering maintenance mode for service personnel
1.2 List of Maintenance Mode Functions
1.2.1 List of maintenance mode functions for LCD models
1.2.2 List of maintenance mode functions using [Go] button for LED models
1.3 Details of Maintenance Mode Functions for LCD Models
1.3.1 Initialize EEPROM parameters (function code: 01, 91)
1.3.2 Print test pattern (function code: 09)
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1.3.3 Set worker switches (WSW) and print worker switch setting data
(function code: 10, 11)
1.3.4 Check LCD operation (function code: 12)
1.3.5 Check control panel button operation (function code: 13)
1.3.6 Display software version (function code: 25)
1.3.7 Set One Push Demo function (function code: 28)
1.3.8 Check sensor operation (function code: 32)
1.3.9 Display LAN connection status (function code: 33)
1.3.10 Print Dump List (function code: 40)
1.3.11 Change USB No. return value /
Adjust left-end print start position on second side when duplex printing /
Change ON/OFF setting for Deep Sleep function (function code: 45)
1.3.12 Continuous print test (function code: 67)
1.3.13 Print frame pattern (single-side printing) (function code: 69)
1.3.14 Print frame pattern (duplex printing) (function code: 70)
1.3.15 Print solid pattern (function code: 71)
1.3.16 Setting by country (function code: 74)
1.3.17 Print maintenance information (function code: 77)
1.3.18 Check fan operation (function code: 78)
1.3.19 Display machine log information (function code: 80)
1.3.20 Display machine error code (function code: 82)
1.3.21 Quit maintenance mode (function code: 99)
1.4 Details of Maintenance Mode Functions Using [Go] Button for LED Models
1.4.1 Test printing
1.4.2 Print font list
1.4.3 Change USB No. return value
1.4.4 HEX Dump mode
1.4.5 Network Reset / Factory Reset / Settings Reset
1.4.6 Engine error ignore mode
1.4.7 One Push print recovery mode
1.4.8 Check sensor operation
1.4.9 Print continuous lattice pattern
1.4.10 Print fuser unit inspection
1.4.11 Print EEPROM Dump
1.4.12 Check RAM
1.4.13 Print machine quality inspection pattern 1
1.4.14 Change ON/OFF setting for duplex printing
1.4.15 Change A4/Letter setting for paper size
1.4.16 Print machine quality inspection pattern 2
1.4.17 Maintenance printing
1.4.18 Print maintenance data and frame pattern
1.4.19 Print Network Configuration
1.4.20 Change ON/OFF setting for sleep function
1.4.21 Reset developer roller counter 1, 2, 3 or 4 (Common to all models)
1.4.22 USB speed lock mode
1.4.23 Change Ready LED light intensity in sleep mode
1.4.24 Firmware Installing mode
1.4.25 Enter maintenance mode for service personnel
2. PRINTER SETTINGS
2.1 Printing Printer Settings
3. OTHER SERVICE FUNCTIONS
3.1 Change ON/OFF Setting for Deep Sleep Mode (LCD model only)
3.2 Change ON/OFF Setting for Sleep Mode (LCD model only)
3.3 Reset Periodic Replacement Parts (LCD model only)
3.4 Delete User Setting Information (LCD model only)
3.5 Change USB No. Return Value /
Adjust Left-end Print Start Position on Second Side when Duplex Printing /
Change ON/OFF Setting for Deep Sleep Function (LCD model only)
3.6 Reset Drum Counter (LED model only)
3.7 Change Active/Inactive Setting for Wireless LAN (Wireless Network Model only)

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 MP paper feeding kit
2.5 Paper feeding kit 1
2.6 Paper feeding kit 2

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

Number of pages: 313.