Oki C130n Instruction Manual page 149

Symptom
There are toner
smudges or
residual images.
There are toner
smudges on the
back side of the
page (whether or
not it has been
duplexed).
Abnormal areas
(white, black, or
color) appear in a
regular pattern.
Cause
One or more of the
toner cartridges are
defective or installed
incorrectly.
The media path is dirty
with toner.
One or more of the
toner cartridges are
defective.
The imaging cartridge
is defective.
The print head window
is dirty.
A toner cartridge may
be defective.
The imaging cartridge
is defective.
149 - C130n User's Guide
Solution
Remove the toner cartridges and
check each for damage. If one or more
is damaged, replace it.
Print several blank sheets and the
excess toner should disappear.
Remove the toner cartridges and
check each for damage. If one or more
is damaged, replace it.
Remove the imaging cartridge and
check for damage. If it is damaged,
replace it.
Clean the print head window.
Remove the toner cartridge with the
color causing the abnormal image.
Replace it with a new toner cartridge.
Remove the imaging cartridge and
check for damage. If it is damaged,
replace it.