3-81
Confidential
■
Horizontal lines
<User Check>
- The paper tray ground terminal provided in the machine
body may be dirty. Clean the contact with a dry cloth.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one.
Step
Cause
Check
Result
Remedy
1
Dirt on charged
electrode
Are the electrodes on
the drum unit and
machine body dirty?
Yes
Clean both electrodes.
(Refer to
and
2
Paper tray ground
terminal provided
in machine body
Is the paper tray ground
terminal bent, which is
provided in the machine
body?
Yes
Correct bending of
paper tray ground
terminal.
3
Toner attached on
the develop roller
Are the horizontal lines
at 31 mm (develop roller
circumference)
intervals?
Yes
This symptom might
disappear after making
approximate 10 prints.
4
Scratch on the heat
roller
Are the horizontal lines
at 78 mm (heat roller
circumference)
intervals?
Yes
Replace the fuser unit.
5
HVPS control PCB
failure
Is the problem solved
after replacing the HVPS
control PCB ASSY?
Yes
Replace the HVPS
control PCB ASSY.
6
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.
Summary of Contents for DCP-9010CN
Page 11: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Page 53: ...Confidential CHAPTER 2 THEORY OF OPERATION ...
Page 90: ...Confidential CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING ...
Page 201: ...Confidential CHAPTER 4 PERIODICAL MAINTENANCE ...
Page 224: ...Confidential CHAPTER 5 DISASSEMBLY AND ASSEMBLY ...
Page 440: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 446: ...6 5 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...
Page 456: ...Confidential CHAPTER 7 SERVICE FUNCTIONS ...
Page 464: ...7 6 Confidential For color scanning Fig 7 2 ...
Page 487: ...7 29 Confidential Cover page sample Fig 7 13 End page sample Fig 7 14 ...
Page 492: ...7 34 Confidential Color registration adjustment chart Fig 7 16 ...
Page 496: ...7 38 Confidential LED test pattern M68_L Fig 7 18 ...
Page 498: ...7 40 Confidential Fig 7 19 ...
Page 500: ...7 42 Confidential Color test pattern Fig 7 20 MCYK Y C K M YCMK_ _A ...
Page 518: ...Confidential CHAPTER 8 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Page 521: ...Confidential 8 2 High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 2 3 ...
Page 522: ...Confidential 8 3 High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 3 3 ...
Page 523: ...Confidential 8 4 High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 1 3 ...
Page 524: ...Confidential 8 5 High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 2 3 ...
Page 525: ...Confidential 8 6 High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 3 3 ...
Page 526: ...Confidential 8 7 Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 527: ...Confidential 8 8 Low voltage Power Supply PCB Circuit Diagram 200V ...
Page 528: ...Confidential 8 9 NCU PCB Circuit Diagram USA Canada ...
Page 529: ...Confidential 8 10 NCU PCB Circuit Diagram Europe Asia Oceania China ...
Page 530: ...Confidential 8 11 NCU PCB Circuit Diagram South Africa Gulf ...
Page 531: ...Confidential 8 12 2 WIRING DIAGRAM Wiring Diagram 1 2 ...
Page 532: ...Confidential 8 13 Wiring Diagram 2 2 ...
Page 590: ...Confidential APPENDIX 3 SERIAL NUMBERING SYSTEM ...
Page 592: ...App 3 2 Confidential Serial number of the LED ASSY Print position Fig App 3 4 Serial number ...
Page 593: ...Confidential APPENDIX 4 SCREW CATALOGUE ...
Page 595: ...Confidential APPENDIX 5 REFERENCES ...
Page 597: ...Confidential APPENDIX 6 GLOSSARY ...