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Confidential
4.2.20 Ghost
4.2.21 Fogging
User Check
• Check the printer's environment. High temperature and high
humidity or low temperature and low humidity conditions can cause
this problem.
• Choose Reduce Ghosting mode in the driver.
• Replace the toner cartridge with a new one.
Step
Cause
Remedy
1
High voltage power supply PCB
ASSY failure
Replace the high voltage power supply
PCB ASSY.
2
Main PCB failure
Replace the main PCB ASSY.
User Check
• This problem may disappear after printing approximately 10 pages
of completely blank sheets.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
• Do not use acid paper.
Step
Cause
Remedy
1
High voltage power supply PCB
ASSY failure
Replace the high voltage power supply
PCB ASSY.
2
Main PCB failure
Replace the main PCB ASSY.
CAUTION :
• This problem often occurs when the drum unit or toner cartridge is nearly at the end of
life.
Содержание HL HL-2230
Страница 162: ...6 1 Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM High Voltage Power Supply PCB Circuit Diagram MURATA ...
Страница 163: ...6 2 Confidential High Voltage Power Supply PCB Circuit Diagram Panasonic ...
Страница 165: ...6 4 Confidential Low Voltage Power Supply PCB Circuit Diagram 115V MPW3052 MURATA ...
Страница 167: ...6 6 Confidential Low Voltage Power Supply PCB Circuit Diagram 230V MPW3053 MURATA ...