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3-69
Confidential
■
White horizontal stripes on one color image
<
User Check
>
- The problem may disappear by itself. Try printing multiple pages to clear this problem
especially if the machine has not been used for a long time.
- Replace the toner cartridge with a new one.
- The drum unit may be damaged. Replace the drum unit with a new one.
■
Faint print
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.
<
User Check
>
- Open and close the top cover and make print again.
- Check that the machine is installed on a level surface.
- Replace the toner cartridge with a new one.
- Clean the LED array with a soft lint-free cloth.
Step
Cause
Check
Result
Remedy
1
Lifting of LED ASSY
Is printing of the LED
ASSY test pattern
correctly done in
No
Re-assemble the LED
ASSY.
2
Toner/new
sensor PCB failure
Is the “Replace Toner”
message indicated on
the LCD when replacing
the toner cartridge with
the one which has
reached the end of life?
No
Replace the toner/new
sensor PCB ASSY.
Summary of Contents for HL-3040CN
Page 10: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Page 33: ...Confidential CHAPTER 2 THEORY OF OPERATION ...
Page 61: ...2 27 Confidential Fig 2 27 Fuser center thermistor Fuser side thermistor Fuser unit Front ...
Page 63: ...Confidential CHAPTER 3 ERROR INDICATION AND TROUBLESHOOTING ...
Page 149: ...Confidential CHAPTER 4 PERIODICAL MAINTENANCE ...
Page 171: ...Confidential CHAPTER 5 DISASSEMBLY AND ASSEMBLY ...
Page 336: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...
Page 342: ...6 5 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...
Page 352: ...Confidential CHAPTER 7 SERVICE FUNCTIONS ...
Page 375: ...7 21 Confidential Color registration adjustment chart Fig 7 7 ...
Page 379: ...7 25 Confidential LED test pattern M68_L Fig 7 9 ...
Page 381: ...7 27 Confidential Fig 7 10 ...
Page 383: ...7 29 Confidential Color test pattern Fig 7 11 MCYK Y C M K YCMK_ _A ...
Page 408: ...Confidential CHAPTER 8 CIRCUIT DIAGRAMS WIRING DIAGRAM ...
Page 411: ...8 2 Confidential High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 2 3 ...
Page 412: ...8 3 Confidential High voltage Power Supply PCB Circuit Diagram SYS HITEK SPH 8N35 3 3 ...
Page 413: ...8 4 Confidential High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 1 3 ...
Page 414: ...8 5 Confidential High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 2 3 ...
Page 415: ...8 6 Confidential High voltage Power Supply PCB Circuit Diagram MURATA MPH3316 3 3 ...
Page 416: ...8 7 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...
Page 417: ...8 8 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...
Page 418: ...8 9 Confidential 2 WIRING DIAGRAM Wiring Diagram 1 2 ...
Page 419: ...8 10 Confidential Wiring Diagram 2 2 ...
Page 429: ...Confidential APPENDIX 3 SERIAL NUMBERING SYSTEM ...
Page 431: ...App 3 2 Confidential Serial number of the LED ASSY Print position Fig App 3 4 Serial number ...
Page 432: ...Confidential APPENDIX 4 SCREW CATALOGUE ...
Page 434: ...Confidential APPENDIX 5 REFERENCES ...
Page 436: ...Confidential APPENDIX 6 GLOSSARY ...