Kyocera ECOSYS FS-C8520MFP Operation Manual page 329

Troubleshooting > Solving Malfunctions
Symptom
The background density is
obtrusive.
Copies have a moire pattern
(dots grouped together in
patterns and not aligned
uniformly).
Texts are not clearly printed.
Black or color dots appear on
the white background when
white original is scanned.
Printouts are fuzzy.
Images are skewed.
Checkpoints
—
Is the original a printed photograph?
Did you choose appropriate image
quality for the original?
Is the original holder or the glass
platen dirty?
Is the machine being used in
conditions of very humid, or humidity
or temperature rapidly changes?
—
Are the originals placed correctly?
Is the paper loaded correctly?
—
Corrective Actions
Run [Background Density Adjustment].
Set the original image to [Photo].
Select appropriate image quality.
Clean the original holder or the glass
platen.
Use in an environment that has
suitable humidity.
If you experience frequent problems,
turn the cassette heater switch on.
Run [Drum Refresh].
When placing originals on the platen,
align them with the original size
indicator plates.
When placing originals in the
document processor, align the original
width guides securely before placing
the originals.
Check the position of the paper width
guides.
Perform center line adjustment. For
more information about how to do so,
contact your service representative.
10-9
Reference
Page
3-55
9-26
3-53
3-53
10-6
1-3
2-4
9-27
3-7
3-8
3-2
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