Troubleshooting
BASIC OPERATION GUIDE 7-3
The copies are too
dark.
Is the copier in Auto Exposure
Adjustment mode?
In order to adjust the overall
exposure level, perform the
Auto Exposure Adjustment
procedure.
—
Is the copier in Photo,
Text+photo, or Text mode?
Adjust the exposure to the
correct level.
Refer to page
4-2
To adjust the overall exposure,
perform the corresponding
exposure adjustment
procedure.
—
The copies are dirty. Is the Platen or the optional
Document Processor dirty?
Clean the Platen and/or the
optional Document Processor.
Refer to page
6-2
Remove the Process Unit and
perform the cleaning operation
on the Charger.
Refer to page
6-6
Black or white
vertical bands
appear on the
copies.
Is the Charger Cleaner in its
home position (marked
CLEANER HOME
POSITION)?
Remove the Process Unit and
return the Charger Cleaner to
its home position.
Refer to page
6-6
If using the optional Document
Processor, is the slit glass
dirty?
Clean the slit glass.
It is also possible to use the
Scan Noise Reduction function
to make black lines on the
copies less apparent. (For
details, refer to Chapter 5,
Advanced Operation Guide.)
Refer to page
6-2
The copy image is
skewed.
Were the originals loaded
correctly?
When positioning originals on
the Platen, align them flush up
against its upper left corner.
Refer to page
4-2
When placing originals in the
optional Document Processor,
align the original insert guides
securely before loading the
originals.
Refer to page
5-4
Problem Checkpoint Procedure
Reference
Page