Utax P-4532DN - (1-5) White streaks are printed vertically

7-8
Troubleshooting ＞ Image formation problems
[CONFIDENTIAL]
(1-5)White streaks are printed vertically
Print example Cause of trouble
1 Dirty LSU slit glass.
2 Foreign objects inside the developer unit.
3 Internal contamination
4 Dirty drum inside.
Defective part Check description Corrective Action
1
Developer unit Generate PGs by service mode. Replace the developer unit.
2
Light path between
the LSU and the
drum
Check if there are dusts, dirts, or
toner obstructing the light paths.
If a foreign object exists on the frame or the seal-
ings between the developer unit and the chager
unit, remove.
3
Drum unit Check if the charging roller is dirty. If the charging roller is dirty,clean. Or replace it.
Check if the cleaning lamp is dirty. If the cleaning lamp is dirty,clean.
4
LSU Check if the LSU slit glass is dirty. If the LSU slit glass is dirty, perform cleaning it.