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Solving Problems with Printing Quality
9-25
Thin white
horizontal
lines appear
at intervals
on images.
Toner is not evenly
adhering to the
media.
Perform IMAGE REFRESH. (Set
MACHINE SETTING/IMAGE
REFRESH
in the UTILITY menu to
YES.)
If the problem persists, contact your
vendor or authorized service provider.
Colors look
drastically
wrong.
One or more of the
toner cartridges may
be defective.
Remove the toner cartridges and verify
that the toner is distributed evenly on
each cartridge roller, and reinstall the
toner cartridges.
Colors are
not register-
ing properly;
colors are
mixed or
have
page-to-pag
e variation.
The scanner unit or
front cover is opened
during the calibration.
Set
MACHINE SETTING/CALI-
BRATION
in the UTILITY menu to
ON, and then perform the AIDC color
calibration. For details, refer to
“MACHINE SETTING Menu” on
page 2-14.
Gradations are not
adjusted correctly.
The imaging car-
tridges is not correctly
seated.
Remove the imaging cartridge and
check for damage. If it is damaged,
replace it.
One or more of the
toner cartridges may
be defective.
Remove the toner cartridges and
check for damage. If it is damaged,
replace it.
The media is moist
from humidity.
Remove the moist media and replace it
with new, dry media.
The color
has a poor
reproduction
or has poor
color density.
The imaging cartridge
may be defective.
Remove the imaging cartridge and
check for damage. If it is damaged,
replace it.
Symptom Cause Solution
152


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