Service manual
Table Of Contents
- HL-2140/2150N/2170W SERVICE MANUAL
- PREFACE
- TABLE OF CONTENTS
- REGULATION
- SAFETY INFORMATION
- CHAPTER 1 TROUBLESHOOTING
- CHAPTER 2 PERIODICAL MAINTENANCE
- CHAPTER 3 DISASSEMBLY AND ASSEMBLY
- 1. SAFETY PRECAUTIONS
- 2. PACKING
- 3. SCREW TORQUE LIST
- 4. LUBRICATION
- 5. OVERVIEW OF GEARS
- 6. HARNESS ROUTING
- 7. DISASSEMBLY FLOW
- 8. DISASSEMBLY PROCEDURE
- 8.1 PAPER TRAY UNIT / SEPARATION PAD ASSY
- 8.2 FRONT COVER ASSY / SW KEY
- 8.3 BACK COVER / OUTER CHUTE ASSY
- 8.4 FUSER COVER ASSY
- 8.5 INNER CHUTE ASSY
- 8.6 FUSER UNIT
- 8.7 SIDE COVER R ASSY
- 8.8 CORNER COVER
- 8.9 SIDE COVER L ASSY
- 8.10 ROLLER HOLDER ASSY
- 8.11 WIRELESS LAN PCB ASSY (only HL-2170W)
- 8.12 MAIN SHIELD COVER PLATE
- 8.13 MAIN PCB ASSY
- 8.14 TOP COVER ASSY
- 8.15 SW SUPPORTER
- 8.16 PANEL PCB ASSY
- 8.17 HIGH-VOLTAGE PS PCB ASSY
- 8.18 NEW TONER SENSOR HARNESS ASSY
- 8.19 FILTER ASSY
- 8.20 LASER UNIT
- 8.21 FAN MOTOR 60 UNIT / COVER SENSOR HARNESS ASSY / TONER LED PCB ASSY
- 8.22 LVPS
- 8.23 REGISTRATION FRONT SENSOR PCB ASSY
- 8.24 REGISTRATION REAR SENSOR PCB ASSY
- 8.25 DRIVE SUB ASSY
- 8.26 DEV JOINT / DEV GEAR JOINT/53R / REGISTRATION PENDULUM GEAR SPRING
- 8.27 TONER SENSOR PCB UNIT ASSY
- 8.28 REGISTRATION SOLENOID / T1 SOLENOID
- 8.29 MAIN SHIELD PLATE / EJECT SENSOR PCB ASSY
- 8.30 RUBBER FOOT
- 8.31 MAIN FRAME L ASSY
- CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENT
- CHAPTER 5 SERVICE SUPPORT SOFTWARE
- CHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAM
- APPENDIX 1 SERIAL NUMBERING SYSTEM
- APPENDIX 2 SCREW CATALOGUE
- APPENDIX 3 DELETION OF PERSONAL INFORMATION
- APPENDIX 4 REFERENCES
- APPENDIX 5 GLOSSARY

4-11
Confidential
2. IF YOU REPLACE THE WIRELESS LAN PCB
<What to do when replacing the wireless LAN PCB>
• Backup to the Main PCB of the Wireless LAN PCB Information (HL-2170W only)
<Which parts to use>
WIRELESS LAN PCB ASSY
<What you need to prepare>
(1) HL-2170W target machine
■ Backup to the Main PCB of the Wireless LAN PCB Information
(HL-2170W only)
The main PCB stores a part of the information of EEPROM on the wireless LAN PCB. It is
necessary to write the information of EEPROM on the wireless LAN PCB.
(1) Shift to the "PIT 3 Inspection Mode" of "1.3 Service Mode".
(2) Close the front cover, and then leave for two minutes.
(3) After having passed more than two minutes, turn the power supply of the machine off.