Oki C911 User Manual

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Printing Troubles
Troubleshooting
1
2
IndexMaintenance
Print quality is poor
Memo
z
If the problem is not solved using the following methods, contact your dealer.
Symptom Cause Troubleshooting
Reference
pages
White stripe in perpendicular
direction.
Paper feeding direction
LED head is unclean. Wipe LED head with a soft
tissue paper.
page 87
Low toner. Replace the toner cartridge. page 64
Deposit of foreign substances. Replace the image drum. page 66
Window lm of image drum is
unclean.
Wipe window lm with a soft
tissue paper.
-
Image drum has not been set
correctly.
Please set the image drum
correctly.
page 66
Printing is blurred in
perpendicular direction.
Paper feeding direction
LED head is unclean. Wipe LED head with a soft
tissue paper.
page 87
Low toner. Replace the toner cartridge. page 64
Paper not supported. Use recommended paper. Basic
Printing is light.
The toner cartridge is not
installed correctly.
Re-install the toner cartridge. page 64
Low toner. Replace the toner cartridge. page 64
Paper is moist. Use paper stored at appropriate
temperature and humidity.
-
Paper not supported. Use recommended paper. Basic
Paper not supported.
Type and thickness setting of
paper is inappropriate.
Correct [Media Weight] in
the operation panel to the
appropriate value. Or, change
[Media Weight] to a thicker
value than the present value.
Basic
Recycled paper is used. Correct [Media Weight] in
the operation panel to the
appropriate value. Or, change
[Media Weight] to a thicker
value than the present value.
Basic
Printing is blurred in some
parts. Solid printing will result
in the appearance of white dots
or lines.
Paper contains moisture. Dry it. Use paper stored at appropriate
temperature and humidity.
Basic
Inappropriate settings of [Paper
Black Setting] or [Paper Color
Setting].
In the case of transparency
settings, [Trans. Black Setting]
or [Trans. Color Setting] is not
properly set.
Change the value of [Printer
Setting]>[Paper Black Adjust]
or [Paper Color Setting].
In the case of transparency
settings, change the value of
[Trans. Black Setting] or [Trans.
Color Setting].
If printing is blurred, raise the
setting value. If white dots
appear, lower the setting value.
Advanced
Stripes in perpendicular
direction.
Paper feeding direction
There are dents on the image
drum.
Replace the image drum. page 66
Low toner. Replace the toner cartridge. page 64

Oki C911 Specifications

General

Brand	Oki
Model	C911
Category	Printer
Language	English