3-63
Confidential
■
All one color
Memo:
You can check this image defect with the function code 71.
(Refer to
“1.4.14 Color test pattern (Function code 71)” in Chapter 7
Step
Cause
Check
Result
Remedy
1
Corona wire
failure
Are the electrodes on
the drum unit of the
appropriate color and
machine body dirty?
Yes
Clean both electrodes.
(Refer to
and
2
Is the corona wire
damaged?
Yes
Replace the drum unit.
3
HVPS control PCB
failure
Is the problem solved
after replacing the HVPS
control PCB ASSY?
Yes
Replace the HVPS
control PCB ASSY.
4
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.
5
LED ASSY failure
Is the problem solved
after replacing the LED
ASSY?
Yes
Replace the LED ASSY.
6
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.
7
Main PCB failure
Is the problem solved
after replacing the main
PCB ASSY?
Yes
Replace the main PCB
ASSY.
Содержание HL-3040CN
Страница 10: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Страница 33: ...Confidential CHAPTER 2 THEORY OF OPERATION ...
Страница 61: ...2 27 Confidential Fig 2 27 Fuser center thermistor Fuser side thermistor Fuser unit Front ...
Страница 63: ...Confidential CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING ...
Страница 149: ...Confidential CHAPTER 4 PERIODICAL MAINTENANCE ...
Страница 171: ...Confidential CHAPTER 5 DISASSEMBLY AND ASSEMBLY ...
Страница 217: ...5 43 Confidential 8 8 Side Cover L ASSY Access Cover 1 Open the Top cover unit Fig 5 26 Top cover unit ...
Страница 336: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 342: ...6 5 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...
Страница 352: ...Confidential CHAPTER 7 SERVICE FUNCTIONS ...
Страница 375: ...7 21 Confidential Color registration adjustment chart Fig 7 7 ...
Страница 379: ...7 25 Confidential LED test pattern M68_L Fig 7 9 ...
Страница 381: ...7 27 Confidential Fig 7 10 ...
Страница 383: ...7 29 Confidential Color test pattern Fig 7 11 MCYK Y C M K YCMK_ _A ...
Страница 408: ...Confidential CHAPTER 8 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Страница 410: ...8 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 1 3 ...
Страница 411: ...8 2 Confidential High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 2 3 ...
Страница 412: ...8 3 Confidential High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 3 3 ...
Страница 413: ...8 4 Confidential High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 1 3 ...
Страница 414: ...8 5 Confidential High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 2 3 ...
Страница 415: ...8 6 Confidential High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 3 3 ...
Страница 416: ...8 7 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Страница 417: ...8 8 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Страница 418: ...8 9 Confidential 2 WIRING DIAGRAM Wiring Diagram 1 2 ...
Страница 419: ...8 10 Confidential Wiring Diagram 2 2 ...
Страница 429: ...Confidential APPENDIX 3 SERIAL NUMBERING SYSTEM ...
Страница 431: ...App 3 2 Confidential Serial number of the LED ASSY Print position Fig App 3 4 Serial number ...
Страница 432: ...Confidential APPENDIX 4 SCREW CATALOGUE ...
Страница 434: ...Confidential APPENDIX 5 REFERENCES ...
Страница 436: ...Confidential APPENDIX 6 GLOSSARY ...