OKI MC160n User Manual

Abnormal 
areas (white, 
black, or 
color) appear 
in a regular 
pattern.

The print head win-
dow is dirty.

Clean the print head window.

A toner cartridge may 
be defective.

Remove the toner cartridges with the 
color causing the abnormal image. 
Replace it with a new toner cartridge.

The imaging cartridge 
may be defective.

Remove the imaging cartridge and 
check for damage. If it is damaged, 
replace it.

Image 
defects.

The print head win-
dow is dirty.

Clean the print head window.

A toner cartridge may 
be leaking.

Remove the toner cartridges and 
check for damage. If it is damaged, 
replace it.

A toner cartridge may 
be defective.

Remove the toner cartridge with the 
color causing the abnormal image.

Replace it with a new toner cartridge.

The imaging cartridge 
may be defective.

Remove the imaging cartridge and 
check for damage. If it is damaged, 
replace it.

Lateral lines 
or bands 
appear on 
image.

The machine is not 
level.

Place the machine on a flat, hard, level 
surface.

The media path is 
dirty with toner.

Print several sheets and the excess 
toner should disappear.

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 imaging cartridge 
may be defective.

Remove the imaging cartridge and 
check for damage. If it is damaged, 
replace it.

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.