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

5-10
Confidential
Display terms is as follows.
CAUTION:
• * is displayed only in maintenance information.
• Some margin of error must be taken into consideration because coverage for the
printable area of A4-size paper is calculated using video signals.
Series name Model name of machine
Serial Number Serial number of machine
Device Status Page Count, Drum Count, Average Coverage
The maximum count for each item is 1 million times.
Drum Information Estimated Pages Remaining, % of Life Remaining.
Total Pages Printed* Previously Used Toner, Current Toner.
Total Pages Printed Total Pages Printed (Tray 1, Manual Feed).
The maximum count for each item is 1 million times.
The information above is not cleared when replacing the
PF kit.
Total Pages Printed The number of A4/Letter, A4Long/Legal/Folio, B5/
Executive, Envelope, A5 and other paper types used.
The maximum count for each item is 1 million times.
Total Pages Printed The number of Plain/Thin/Recycled, Transparencies,
Thick/Thicker/Band and Envelopes/Env. Thick/Env. Thin
types used. The maximum count for each item is 1
million times.
Total Paper Jams The number of paper jam occurrence in each of the
Tray, Inside and Rear. The paper jam occurs when the
machine is turned ON is not counted. The maximum
count for each item is 255 times.
Error History The error history including the latest 10 errors and the
number of pages when these errors occur are indicated.
However, the Cover Open error, No Paper and Manual
Feed is excluded.
Replace Count The number of replacement of DRUM and TONER
The maximum count for each item is 65535 times.
Developing Bias* Developing Bias of now
[00][00][00](XXXX00000XXX)[00101][XX][XXXX]
Number of Electrical Discharge Error Occurrence
Maximum Count is 225 Times
(Hexadecimal Form)
Number of Fixing Error Occurrence
Number of Motor Lock Error Occurrence
PCB Inspection (0: OK, X: NG)
High-Voltage Inspection (0: OK, X: NG)
Paper Size (A: A4, L: Letter)
Toner Type (0: Starter, S: Standard, H: High Capacity)
Small Size Japan Control (0: OFF, J: ON)
EWS CHN Setup (0: OFF, C: CHN Setup)
ISR Font (0: OFF, I: ISR Font)
One Push Print (0: OFF, P: ON)
DEMO Function (0: OFF, D: ON)
Language
(ENG/USA/CAN/FRA/GER/SPA/ITA/NOR)
Specification Cord
Wireless specification Setup (EU/US/JP)
NVRAM CHECK SAM