Utax CD 1218 Instruction Handbook Manual page 83

Troubleshooting
Symptom
A moire pattern (the
phenomenon where the
dots do not appear to be
lined up properly but seem
to be grouped together in
patterns) appears on the
copies.
The copies are not clear.
The copies are dirty.
The copy image is skewed. Were the originals set correctly?
Paper jams occur often.
Black lines appear on
copies when copying from
the optional document
processor.
Wrinkling occurs in copies. Is the separation needle dirty?
Black or white vertical lines
appear on copies.
White spots appear on
copies.
Copies are blurred.
6-2
Items to check
Is the original a printed photograph?
Did you select an image quality mode
properly according to the type of the
original?
Is the platen or the original cover dirty? Clean the platen and/or the original
Was the paper set correctly?
Is the paper loaded properly in the
cassette?
Is the paper curled, folded over or
wrinkled?
Is there any jammed paper or loose
scraps of paper remaining inside the
machine?
Does the size of the paper set in the
multi-purpose tray match the registered
size?
Is the slit glass dirty?
Is the electrical charge section dirty?
Is the transfer roller dirty?
Is this machine used at high humidity? Perform drum refresh.
Corrective procedure
Set the image quality mode to Photo.
Select an appropriate image quality
mode.
cover.
When using the platen, set the original
securely along the original size indicator
plates.
When using the optional document
processor, adjust the original insert
guides securely before setting the
originals.
Check the width guide plate position in
the cassette.
Load the paper properly.
Depending upon the type and storage
condition of the paper, finished copies
may curl tightly, resulting in a paper
jam. Remove the paper from the
cassette, turn it over, and set it in the
cassette again.
Replace the paper with new paper.
Carry out the appropriate procedure to
remove the paper.
Make sure the size of the paper set in
the multi-purpose tray matches the
registered size.
Clean the slit glass.
It is also possible to use the black line
correction function to make any black
lines on the copies less apparent.
Clean the separation needle.
Open the front cover and use the
charger cleaner rod to clean the
electrical charge section.
Clean the transfer roller with the
cleaning brush.
Reference
page
3-2
3-2
5-1
3-1
4-2
2-1
2-1
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2-1
6-9
2-4
5-2
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5-2
5-5
5-3
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