Brother HL-L3210CW - Page 126

2-107
Confidential
■ Downward fogging of solid color
■ Horizontal lines
<User Check>
• Replace the toner cartridge with a new one.
Step Cause Remedy
1
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB.
2 Main PCB failure Replace the main PCB.
<User Check>
• This problem may disappear after printing multiple
sheets of paper.
• Refer to <How to clean the drum unit> to remove the
dirt from the exposure drum using a cotton applicator.
• Replace the drum unit with a new one.
• Replace the toner cartridge with a new one.
Step Cause Remedy
1
Dirty charge electrodes Clean the electrodes of the drum unit and
those of the machine. (Refer to Fig. 2-6 (P2-
63) and Fig. 2-7 (P2-63).)
2
Scratch or dirt on the fuser
unit
Replace the fuser unit.
3
High-voltage power supply
PCB failure
Replace the high-voltage power supply PCB.