Konica Minolta C20P ユーザーズマニュアル

Image 
defects.

The laser lens is dirty. Clean the laser lens.
A toner cartridge may 
be leaking.

Remove the toner cartridges and 
check them for damage. If one is dam-
aged, replace it.

A imaging unit may 
be defective.

Remove the imaging unit with the color 
causing the abnormal image.
Replace it with a new imaging unit.

Lateral lines 
or bands 
appear on 
image.

The printer is not 
level.

Place the printer 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 
imaging units may be 
defective.

Remove the imaging units and check 
them for damage. If one is damaged, 
replace it.

Colors look 
drastically 
wrong.

One or more of the 
imaging units may be 
defective.

Remove the imaging units and verify 
that the toner is distributed evenly on 
each cartridge roller, and reinstall the 
imaging units.

One or more of the 
toner cartridges may 
be low or empty.

Check the control panel for an 

TONER 

LOW

 

X

 or 

TONER OUT 

X

 message. If 

necessary, replace the specified toner 
cartridge.

Colors are 
not register-
ing properly; 
colors are 
mixed or 
have page-
to-page vari-
ation.

The front cover is not 
properly closed.

Make sure that the printer’s front cover 
is closed.

One or more of the 
imaging units may be 
defective.

Remove the imaging units and check 
them for damage. If one is damaged, 
replace it.

The media is moist 
from humidity.

Remove the moist media and replace it 
with new, dry media.