Horizontal Lines And Spots Appear Periodically - Oki MB492dn User Manual

Horizontal Lines and Spots Appear Periodically

Cause
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.
If the intervals of lines or spots are approximately 40 mm
(1.6 inches), there may be foreign objects in the image
drum.
The image drum has been exposed to light.
The paper feed path is dirty.
Solution
Lightly wipe the image drum with a soft tissue paper.
Replace the image drum if it is damaged.
Open and close the top cover, and then print again.
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.
Print a few test copies.
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Reference
Replacing
the Image
Drum
-
Replacing
the Image
Drum
Copying