Troubleshooting - Oki C911dn User Manual

Symptom
Border of the solid printing
portion is lightly stained.
Does not print with color
shades as you thought.
CMY 100% solid is thin.
Black spots or white spots
appear.
Stains are printed.
The entire paper is printed
black.
Cause
Paper is too dry.
Recycled paper is used.
[Paper Black Setting] or [Paper
Color Setting] is not properly
set.
Low toner.
Setting of [Black Finish] is not
matching with the application.
Change color matching options. Change to color matching option
No color balance.
Misalignment of color.
[CMY 100% Density] is set to
[Disable].
Paper not supported.
In the case of cycle length of
about 125 mm, image drum
may be unclean or there may
be dents on it.
Paper is moist.
Paper not supported.
The pinch roller is dirty.
The device might have broken
down.
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Troubleshooting

Use paper stored under
appropriate temperature and
humidity.
Select [Recycled] for the media
type.
Raise the setting value of [Paper
Black Setting] or [Paper Color
Setting] under [Print Adjust] on
the control panel.
Replace the toner cartridge.
In the [Black Finish] of printer
driver, select [True Black (K)] or
[Composite Black (CMYK)].
of the printer driver.
Select [Calibration] on the
operation panel, and then run
[Adjust Density].
Open the toner replacement
cover at once, and the close it
again.
Select [Calibration] on the
operation panel, and then run
[Adjust Registration].
Select [Admin Setup]>[Color
Setup]>[CMY 100%] in the
operation panel, and select
[Enable].
Use recommended paper.
Gently wipe the image drum
with a soft tissue paper.
If there are dents, replace the
image drum.
Replace with a new paper.
Use recommended paper.
If foreign matter is found on
the pinch roller, remove the dirt
with a soft cloth or tissue paper.
Contact your designated
customer service center.
Printing Troubles
Reference
pages
Basic
1
Basic
2
Advanced
page 64
Advanced
Advanced
Advanced
Advanced
Advanced
Basic
page 66
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Basic
page 99
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