Oki ES8453 MFP User Manual - page 766
of
1267
Horizontal Lines and Spots Appear Periodically
Cause
Solution
Reference
If the intervals of lines or spots are
approximately 94 mm (3.7 inches), the
green tube of the image drum is
damaged or dirty.
Lightly wipe the image drum with a soft
tissue paper.
Replace the image drum if it is damaged.
If the intervals of lines or spots are
approximately 40 mm (1.6 inches),
there may be foreign objects in the
image drum.
Open and close the output tray, and then
print again.
-
The image drum has been exposed to
light.
Place the image drum back into the
machine, and then do not use for a few
hours. If the problem persists, replace
the image drum.
The paper feed path is dirty.
Print a few test copies.
765