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
1-37
Confidential
7. OTHERS PROBLEMS
■ The machine is not turned on, or the LED indication does not appear.
■ The fan does not work.
Step Cause Check
Result
Remedy
1
Harness
connection
failure of panel
PCB
Is the harness of the
panel PCB ASSY
connected correctly?
No
Reconnect the panel PCB
ASSY harness.
2
Panel PCB
failure
Is the problem solved
after replacing the panel
PCB ASSY?
Ye s
Replace the panel PCB
ASSY.
3
LVPS PCB failure Is the problem solved
after replacing the PS
PCB unit?
Ye s
Replace the PS PCB unit.
4
Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Ye s
Replace the main PCB
ASSY.
Step Cause Check
Result
Remedy
1
Harness
connection
failure of the fan
motor 60 ASSY.
Is the harness of the fan
motor 60 ASSY
connected correctly?
No
Reconnect the harness of
the fan motor 60 ASSY
correctly.
2
Toner sensor
PCB failure
Is the problem solved
after replacing the toner
sensor PCB ASSY?
Ye s
Replace the toner sensor
PCB ASSY.
3
Main PCB failure Is the problem solved
after replacing the main
PCB ASSY?
Ye s
Replace the main PCB
ASSY.