3-74
Confidential
■
One color spots or dirt
<
User Check
>
- Damp (wet) paper might be used. Try to changing to freshly unopened paper.
- Toner may be empty. Replace the toner cartridge with a new one.
- If the same problem occurs after printing a few pages, the adhesive of a label or the like,
paper powder or dirt may be attached on the surface of the exposure drum. Feed the paper
from the manual feed slot one to three times to clean the drum. (Refer to
function of product” in this chapter
When the same problem occurs after feeding the drum cleaning sheet, wipe off the dirt on
the exposure drum with a cotton swab. (Refer to
“Drum unit cleaning” in the previous pages
- The drum unit may be damaged. Replace the drum unit with a new one.
- The belt unit may be damaged. Replace the belt unit with a new one.
Step
Cause
Check
Result
Remedy
1
Fuser unit failure
Are the spots at 78 mm
(heat roller
circumference)
intervals?
Yes
Replace the fuser unit.
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?
Yes
Replace the toner/new
sensor 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 ...