Kyocera TASKalfa 4002i Operation Manual page 529

Troubleshooting > Troubleshooting
Symptom
Black dots appear on the
white background when
white original is scanned.
Printouts are fuzzy.
Printouts are cut off.
Images are skewed.
Printouts have vertical
lines.
Dirt on the top edge or
back of the paper.
Checkpoints
Is the original holder or the glass
platen dirty?
―
Is the device used in an
environment with high humidity or
where the temperature or humidity
changes suddenly?
―
Are the originals placed correctly?
Is the paper loaded correctly?
Is the slit glass dirty?
―
Is the interior of the machine dirty?
Corrective Actions
Clean the original holder or the
glass platen.
Run [Developer Refresh].
Use in an environment that has
suitable humidity.
Set [Drum Heater] to [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.
Clean the slit glass.
Run [Laser Scanner Cleaning].
Open the right cover. If the machine
interior is dirty with toner, clean it
using soft, dry, lint-free cloth.
10-29
Reference
Page
page 10-2
page 10-50
―
page 8-72
page 10-49
page 5-2
page 5-3
page 3-4
page 10-3
page 10-49
page 10-2