Oki CX2731MFP Advance User Manual page 294

Symptom
Black or white
dots appear.
Dirt is printed.
The entire page
is printed black.
Nothing is
printed.
White patches
appear.
MC361/MC561/CX2731 MFP Advanced User's Guide
Cause
The paper is unsuitable.
When the interval of the dots
is about 94 mm (4 inches),
the image drum (the green
tube) is damaged or dirty.
The document glass or white
sheet on the under side of
the document glass cover is
dirty.
The paper is moist.
The paper is unsuitable.
The document glass or white
sheet on the under side of
the document glass cover is
dirty.
The MFP may be
malfunctioning.
Two or more sheets of paper
are fed simultaneously.
The MFP may be
malfunctioning.
The back side of the
document is being scanned.
The paper is moist.
The paper is unsuitable.
The document glass is dirty.
294
– Issues: Print Issues
Remedy
Use supported paper.
Lightly wipe the image
drum with a soft tissue
paper.
Replace the image
drum unit when it is
damaged.
Clean the document
glass and white sheet.
Replace it with new
paper.
Use supported paper.
Clean the document
glass and white sheet.
Call your local service
dealer.
Fan the paper well and
load it again.
Call your local service
dealer.
Load the document
properly.
Replace it with new
paper.
Use supported paper.
Clean the document
glass.