Kyocera TASKalfa 4501i Operation Manual page 459

Troubleshooting > Troubleshooting
Symptom
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.
Paper often jams.
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 conveying guide dirty?
―
Is the machine being used in conditions
of very humid, or humidity or
temperature rapidly changes?
―
Are the originals loaded correctly?
Is the paper loaded correctly?
Is the paper loaded correctly?
―
Is the paper of the supported type? Is it
in good condition?
Is the paper curled, folded or wrinkled?
Are there any loose scraps or jammed
paper in the machine?
Corrective Actions
Set the original image to [Printer Output]
or [Book/Magazine] in [Photo].
Select appropriate image quality.
Clean the original holder or the glass
platen.
Clean the conveying guide.
Run [Developer Refresh].
Use in an environment that has suitable
humidity.
Run [Drum Refresh 1].
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.
Load the paper correctly.
Turn the orientation 180 degrees around
in which the paper is positioned.
Remove the paper, turn it over, and
reload it.
Replace the paper with new paper.
Remove any jammed paper.
10-19
Reference
Page
page 6-22
page 6-22
page 10-2
page 10-4
page 10-38
―
page 10-37
page 5-2
page 5-3
page 3-18
page 3-26
page 3-18
page 3-26
page xiv
page 3-18
page 3-26
page 3-18
page 3-18
page 10-39