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3-70
Confidential
■
White spots on one color image
<
User Check
>
- 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 the label or the like,
paper powder or dirt may be attached on the surface of the exposure drum. When the size
of the white spots is less than 0.35mm, feed the paper from the manual feed slot one to
three times to clean the drum. (Refer to
“Drum cleaning function of product” in the next
.) When the size of the spots is 0.35mm or more, or 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 this chapter
- 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
Toner cartridge
failure
Are the white spots at 31
mm (develop roller
circumference) intervals?
Yes
If the develop roller
surface is scratched,
replace the toner cartridge.
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.
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 ...