Image Quality Problems
153
Problem Solving
11
Image Quality Problems
If the image quality of the printout is poor, use the table below to find our most likely
cause, and take the action required.
If the image quality remains poor after taking the required action, contact our Customer
Support Center.
Symptom Possible Cause Remedy
Copies are dirty. Is the document glass or
the document cover
dirty?
Clean the document glass or the document
cover.
Refer to "Cleaning Document Cover and
Document Glass" (P.144).
Is the document a
transparent type such as
a transparency medium?
When copying highly translucent documents,
dirt on the document cover shows up in the
copy. Place a sheet of white paper over the
document before copying.
Is the document on
colored or rough paper,
or a blueprint?
Adjust the copy density or remove the
background paper color before copying.
Refer to "Lighten/Darken" (P.94).
Is the document on
glossy printing paper?
Glossy printing paper easily sticks to the
document glass, and shadows can resemble
dirt in the copy. Place a transparency or
transparent film under the document before
copying.
Black lines
appear in copies.
Is the document feeder's
narrow glass strip dirty?
Clean the narrow glass strip.
Refer to "Cleaning Document Presser and Narrow
Glass Strip" (P.145).
Copies are too
dark.
Is the copy density set to
a high value?
Adjust the copy density.
Refer to "Lighten/Darken" (P.94).
Copies are too
light.
Is the document light?
Is the copy density set to
a low value?
The copy is
slightly out of
position.
Is the paper loaded in
the correct position such
as the paper's leading
edge drifted away from
the corners of the tray?
Load paper correctly, and align the paper
guides to the paper.
Refer to "Loading Paper in Trays 1 and 2
(Optional)" (P.75).
Refer to "Loading Paper in Bypass Tray" (P.76).
To Next Page
Loading...
Need help?
General
