Brother DCP-L2500D - Horizontal Lines

2-76
Confidential
 Downward fogging of solid color
 Horizontal lines
 Ghost
<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
ASSY.
2
Main PCB failure Replace the main PCB ASSY.
<User Check>
- This problem may disappear after printing multiple
sheets of paper.
- Refer to the User's Guide 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
Dirt on the charge electrodes Clean the electrodes of the drum unit and
those of the machine. (Refer to Fig. 2-8 and
Fig. 2-9.)
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 ASSY.
<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.
- Select "Improve Toner Fixing" in the driver.
- Replace the drum unit with a new one.
Step Cause Remedy
1
Scratch or dirt on the fuser unit Replace the fuser unit.
2
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.