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Confidential
4.2 Pitch Indicated in Roller Image
Image defects which occur periodically may be caused by a failure of the roller. By referring to
the table below, specify the cause based on the pitch indicated in the image of each roller.
4.3 Troubleshooting Image Defect
Image defect related problems are user recoverable if following the User Check items. If the
same problem occurs, follow each procedure in the order of the number described in the Step
column in the tables below.
■
Light on the whole page
No.
Parts name
The pitch which appears in the image
1
Develop roller
31 mm
2
Exposure drum
94 mm
3
Heat roller in the fuser unit
78 mm
4
Pressure roller in the fuser unit
78 mm
<User Check>
- Check the machine’s environment. High temperature and high humidity
or low temperature and low humidity conditions can cause this problem.
- If the whole page is light, toner save mode may be on. Turn off the toner
save mode.
- Replace the toner cartridge or drum unit with a new one.
- Adjust the color density from the control panel cover ASSY.
- Leave the machine for a while as the power remains ON.
Step
Cause
Check
Result
Remedy
1
HVPS control PCB
failure
Is the problem solved
after replacing the HVPS
control PCB ASSY?
Yes
Replace the HVPS
control PCB ASSY.
2
High-voltage power
supply PCB failure
Is the problem solved
after replacing the
high-voltage power
supply PCB ASSY?
Yes
Replace the
high-voltage power
supply PCB ASSY.
3
Engine PCB failure
Is the problem solved
after replacing the
engine PCB ASSY?
Yes
Replace the engine
PCB ASSY.
4
Main PCB failure
Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
5
LED head control
PCB failure
Is the problem solved
after replacing the LED
head control PCB ASSY?
Yes
Replace the LED head
control PCB ASSY.
6
LED ASSY failure
Is the problem solved after
replacing the LED ASSY?
Yes
Replace the LED ASSY.
7
Registration mark L
PCB failure
Is the problem solved
after replacing the
registration sensor
holder ASSY?
Yes
Replace the
registration sensor
holder ASSY.
Содержание DCP-9010CN
Страница 11: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Страница 53: ...Confidential CHAPTER 2 THEORY OF OPERATION ...
Страница 90: ...Confidential CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 201: ...Confidential CHAPTER 4 PERIODICAL MAINTENANCE ...
Страница 224: ...Confidential CHAPTER 5 DISASSEMBLY AND ASSEMBLY ...
Страница 440: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 446: ...6 5 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...
Страница 456: ...Confidential CHAPTER 7 SERVICE FUNCTIONS ...
Страница 464: ...7 6 Confidential For color scanning Fig 7 2 ...
Страница 487: ...7 29 Confidential Cover page sample Fig 7 13 End page sample Fig 7 14 ...
Страница 492: ...7 34 Confidential Color registration adjustment chart Fig 7 16 ...
Страница 496: ...7 38 Confidential LED test pattern M68_L Fig 7 18 ...
Страница 498: ...7 40 Confidential Fig 7 19 ...
Страница 500: ...7 42 Confidential Color test pattern Fig 7 20 MCYK Y C K M YCMK_ _A ...
Страница 518: ...Confidential CHAPTER 8 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Страница 520: ...Confidential 8 1 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 1 3 ...
Страница 521: ...Confidential 8 2 High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 2 3 ...
Страница 522: ...Confidential 8 3 High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 3 3 ...
Страница 523: ...Confidential 8 4 High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 1 3 ...
Страница 524: ...Confidential 8 5 High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 2 3 ...
Страница 525: ...Confidential 8 6 High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 3 3 ...
Страница 526: ...Confidential 8 7 Low voltage Power Supply PCB Circuit Diagram 100V ...
Страница 527: ...Confidential 8 8 Low voltage Power Supply PCB Circuit Diagram 200V ...
Страница 528: ...Confidential 8 9 NCU PCB Circuit Diagram USA Canada ...
Страница 529: ...Confidential 8 10 NCU PCB Circuit Diagram Europe Asia Oceania China ...
Страница 530: ...Confidential 8 11 NCU PCB Circuit Diagram South Africa Gulf ...
Страница 531: ...Confidential 8 12 2 WIRING DIAGRAM Wiring Diagram 1 2 ...
Страница 532: ...Confidential 8 13 Wiring Diagram 2 2 ...
Страница 590: ...Confidential APPENDIX 3 SERIAL NUMBERING SYSTEM ...
Страница 592: ...App 3 2 Confidential Serial number of the LED ASSY Print position Fig App 3 4 Serial number ...
Страница 593: ...Confidential APPENDIX 4 SCREW CATALOGUE ...
Страница 595: ...Confidential APPENDIX 5 REFERENCES ...
Страница 597: ...Confidential APPENDIX 6 GLOSSARY ...