Ghost; Fogging - Brother HL-2250DN Service Manual

4.2.20 Ghost

Step
High voltage power supply PCB
1
ASSY failure
2 Main PCB failure

4.2.21 Fogging

Step
High voltage power supply PCB
1
ASSY failure
2 Main PCB failure
CAUTION :
• This problem often occurs when the drum unit or toner cartridge is nearly at the end of
life.
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.
Cause
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.
Cause
2-39
Remedy
Replace the high voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
Remedy
Replace the high voltage power supply
PCB ASSY.
Replace the main PCB ASSY.
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