Brother HL-1112 - Ghost; Fogging

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Confidential
4.2.20 Ghost
4.2.21 Fogging
<User Check>
- Check the usage environment of the machine. Using the machine in
hot-humid or cold-dry conditions can cause this problem.
- Check that the appropriate paper type is selected in the driver.
- Replace the drum unit with a new one.
- Turn the “Improve Toner Fixing” setting of the “Improve Print Output”
ON in the driver.
Step Cause Remedy
1
High voltage power supply PCB
failure
Replace the high voltage power supply PCB
ASSY.
2 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check the usage environment of the machine. Using the machine in
hot-humid or cold-dry conditions can cause this problem.
- This problem may disappear after printing multiple sheets of paper.
- 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
failure
Replace the high voltage power supply PCB
ASSY.
2 Main PCB failure Replace the main PCB ASSY.
Note:
• This problem tends to occur when the life of the drum unit or toner cartridge is expiring.