Service Manual and Parts List Manual Brother HL-5340D, HL-5340DL, HL-5350DN, HL-5350DNLT, HL-5370DW, HL-5370DWT, HL-538DN.
This manual is in the english language, in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your Brother.
Table of contents:
CHAPTER 1. SPECIFICATIONS
1. COMPONENTS
2. SPECIFICATIONS LIST
2.1 Printing
2.2 Functions
2.3 Electronics and Mechanics
2.4 Network Connectivity
2.5 Service Information
2.6 Paper
2.6.1 Paper handling
2.6.2 Media specifications
2.6.3 Type and size of paper
2.7 Printable Area
2.8 Print Speeds with Various Settings
CHAPTER 2. THEORY OF OPERATION
1. OVERALL
1.1 General Block Diagram
2. ELECTRONICS
2.1 General Block Diagram
3. MECHANICS
3.1 Cross-section Drawing
3.2 Cross-section Drawing
3.2.1 Plate-up Function of the Paper Tray
3.2.2 Paper supply
3.2.3 Paper registration
3.2.4 Paper eject
3.2.5 Duplex printing
3.2.6 Paper feeding from the MP tray
3.2.7 Paper feeding from the LT tray (Tray 2 / Tray 3)
3.3 Toner Cartridge
3.3.1 Methods for Detecting and Counting Toner Life
3.3.2 Cartridge life
3.3.3 New toner detection
3.4 Print
3.4.1 Basic Principle
3.4.2 Print Process
3.5 Sensors position
CHAPTER 3. ERROR INDICATION AND TROUBLESHOOTING
1. INTRODUCTION
1.1 Precautions
1.2 Part names
1.3 Initial Check
2. DISTINGUISH ERROR CAUSE
2.1 LED indication (LED model)
2.1.1 LED indication at Operator Calls
2.1.2 LED indication at Service Calls
2.2 Error Message (LCD model)
2.2.1 Operator calls
2.2.2 Error indication at Service Calls
2.3 Error Cause and Remedy
3. PAPER FEEDING PROBLEMS
3.1 No Feeding
3.2 Double Feeding
3.3 Paper Jam
3.4 Dirt on Paper
3.5 Wrinkles or creases
3.6 Waves in the paper / folds in the paper at the eject roller 2
3.8 Prints only single side of the paper when duplex-printing
4. IMAGE DEFECT TROUBLESHOOTING
4.1 Image Defect Examples
4.2 Diameter of Rollers
4.3 Troubleshooting Image Defect
5. SOFTWARE SETTING PROBLEMS
6. NETWORK PROBLEMS
CHAPTER 4. PERIODIC MAINTENANCE
1. PERIODIC MAINTENANCE PARTS
1.1 Periodical Replacement Parts
1.2 Procedures to Replace Periodical Replacement Parts
1.2.1 Fuser unit and laser unit
1.2.2 Paper feeding kit for tray 1, 2, 3
1.2.3 Paper feeding kit for MP tray
CHAPTER 5. DISASSEMBLY/REASSEMBLY
1. SAFETY PRECAUTIONS
2. PACKING
3. SCREW TORQUE LIST
4. LUBRICATION
5. GEAR LAYOUT DRAWING
6. HARNESS ROUTING
7. DISASSEMBLY FLOW CHART
8. DISASSEMBLY PROCEDURE
8.1 Paper Tray
8.2 Back Cover
8.3 Rear Chute ASSY
8.4 Fuser Unit
8.5 Tray MP ASSY
8.6 MP Tray Cover ASSY/Process Cover ASSY/Emblem cover
8.7 Access Cover/Side Cover L
8.8 Main PCB
8.9 Side Cover R
8.10 Top Cover Printed ASSY (LED model)
8.10.1 Panel PCB ASSY
8.10.2 SW Key A/B
8.10.3 Inner Chute/Pinch Roller Holder
8.11 Top Cover Printed ASSY/Panel Plate Printed ASSY (LCD model)
8.11.1 Inner Chute/Pinch Roller Holder
8.11.2 Panel PCB ASSY
8.11.3 SW Key A/B/C /Set Key Printed ASSY
8.11.4 LCD Holder ASSY
8.12 Gear Plate Calking ASSY/Develop Joint/Main Motor ASSY
8.13 Main Shield Plate ASSY
8.14 Relay Rear PCB ASSY/Connector
8.15 Relay Front PCB ASSY
8.16 Drive Release Link
8.17 MP Solenoid ASSY
8.18 T1 Solenoid ASSY
8.19 Toner Sensor PCB
8.20 Register Solenoid ASSY
8.21 Ejector Solenoid ASSY
8.22 Interlock SW ASSY
8.23 New Toner Actuator
8.24 Gear 17/20/23
8.25 Filter
8.26 Laser Unit
8.27 PS PCB Unit
8.28 High-Voltage PS PCB ASSY
8.29 Wireless PCB (PCB T60H989 ASSY 04) (Wireless LAN model)
8.30 Toner LED PCB Unit ASSY
8.31 Fan Motor 60 Unit
8.32 Fan Motor 60 Unit LV
8.33 FRAME L ASSY
8.34 MP Unit
8.35 Regist Actuator Rear/Regist Actuator Spring
8.36 Regist Actuator Front/Regist Actuator Spring
8.37 Roller Holder ASSY
8.38 PE Actuator/Edge Actuator/Edge Actuator Spring
8.39 PE EG Sensor ASSY
9. DISASSEMBLY PROCEDURE (LT-5300)
9.1 Paper Tray
9.2 LT Front Cover ASSY
9.3 LT Rear Cover
9.4 LT Side Cover L
9.5 LT Side Cover R
9.6 LT PCB ASSY
9.7 Connector: 55533-1219
9.8 Connector: 54702-1219
9.9 Gear 24 LT
9.10 Collar 6
9.11 LT Solenoid ASSY
9.12 Roller Holder ASSY
9.13 Edge Actuator Spring
9.14 PE Actuator , Edge Actuator
9.15 LT Sensor PCB ASSY
CHAPTER 6. ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMEN
1. IF YOU REPLACE THE MAIN PCB
2. IF YOU REPLACE THE WIRELESS LAN PCB
3. IF YOU REPLACE THE PERIODICAL MAINTENANCE PARTS
CHAPTER 7. SERVICE MODE
1. CONTROL PANEL
1.1 List of service support functions
1.2 User Mode
1.3 Service Mode
2. HIDDEN FUNCTION MENUS
2.1 Professional Menu
2.2 Reset Parts Life Menu
2.3 Service Menu
3. OTHER SERVICE FUNCTIONS
3.1 Wireless LAN setting (Wireless LAN model)
3.2 Drum condensation countermeasure mode
APPENDIX
GLOSSARY
and Parts List Manual.
Brother HL-5340D, HL-5340DL, HL-5350DN, HL-5350DNLT, HL-5370DW, HL-5370DWT, HL-538DN, and Service Documentation
The Brother HL-5340D, HL-5340DL, HL-5350DN, HL-5350DNLT, HL-5370DW, HL-5370DWT, HL-538DN, and documentation package provides detailed technical reference material used during equipment servicing and maintenance.
The parts list manual usually contains step-by-step repair procedures, internal component diagrams, adjustment settings and service mode instructions required for accurate diagnostics and repair.
This type of documentation is typically used by professional service technicians working with office equipment, printers and multifunction systems.