Oki B412dn User Manual - page 260
Other manuals for B412dn:
Maintenance Manual
of
637
Vertical White Lines Appear
Cause
Solution
Reference
The LED heads are dirty.
Wipe the LED heads with a soft tissue paper.
The toner is low.
With the toner cartridge attached to the image drum, tap the toner cartridge. If
the problem persists, replace the toner cartridge.
There may be foreign objects
in the image drum.
Replace the image drum.
The lightproof film of the
image drum is dirty.
Wipe the lightproof film with a soft tissue paper.
-
The image drum is not
installed properly.
Install the image drum properly.
259