Kyocera TASKalfa 2550ci Operation Manual page 457

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Symptom
Printouts are too dark
even though the
background of the
scanned original is
white.
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.
Checkpoints
Have you changed the
density?
Is the original a printed
photograph?
Did you choose appropriate
image quality for the original?
Is the platen or the document
processor dirty?
Is the machine being used in
conditions of very humid, or
humidity or temperature
rapidly changes?
12-3
Corrective Actions
Select appropriate density level.
Run [Developer Refresh].
Set the original image to [Printer
Output] or [Book/Magazine] in
[Photo].
Select appropriate image quality.
Clean the platen or the document
processor.
Run [Laser Scanner Cleaning].
Use in an environment that has
suitable humidity.
Run [Drum Refresh].
Troubleshooting
Reference
Page
3-10
9-67
9-74
3-10
3-10
11-10
12
9-74
xxiii
9-68

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