Brother HL-5590DN Service Manual

2-103
Confidential
 Dirt on the paper
 Vertical streaks
Fig. 2-12
<User Check>
- This problem may disappear after printing multiple
sheets of paper.
- Replace the drum unit with a new one.
Step Cause Remedy
1 Dirt on the paper feeding system Wipe off the dirt.
2 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>
- Clean the corona wire of the drum unit.
- Return the corona wire cleaning tab to the "▲" position.
- 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 Dirt on the paper feeding system Wipe off the dirt.
2
FG harnesses or FG plate
attachment failure (not grounded
correctly)
Retighten the screws to secure the FG
harnesses or FG plate.
Fix the bent tray ground spring of the paper
tray (Refer to the figure below).
3 Dirt on the fuser unit Replace the fuser unit.
4 Laser unit failure Replace the laser unit.
Tray ground spring
Paper tray
<Bottom surface of paper tray>

Brother HL-5590DN Specifications

General

Brand	Brother
Model	HL-5590DN
Category	Printer
Language	English