Xerox WorkCentre 5019, Руководство пользователя

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Problem solving
WorkCentre 5019/5021
User Guide
11-6
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 the document cover and
document glass on page 10-9.
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 on page 5-15.
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 the document presser and
narrow glass strip on page 10-10.
Copies are too
dark. Is the copy density set to
a high value? Adjust the copy density.
Refer to
Lighten/Darken on page 5-15.
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) on page 4-7.
Refer to Loading paper in the Bypass tray on
page 4-9.