Konica Minolta Magicolor 4650DN User Manual page 218

Symptom
Image
defects.
Lateral lines
or bands
appear on
image.
Colors look
drastically
wrong.
Colors are
not register-
ing properly;
colors are
mixed or
have page-
to-page vari-
ation.
204
Cause
The laser lens is dirty. Clean the laser lens.
A toner cartridge may
be leaking.
A imaging unit may
be defective.
The printer is not
level.
The media path is
dirty with toner.
One or more of the
imaging units may be
defective.
One or more of the
imaging units may be
defective.
One or more of the
toner cartridges may
be low or empty.
The front cover is not
properly closed.
One or more of the
imaging units may be
defective.
The media is moist
from humidity.
Solving Problems with Printing Quality
Solution
Remove the toner cartridges and
check them for damage. If one is dam-
aged, replace it.
Remove the imaging unit with the color
causing the abnormal image.
Replace it with a new imaging unit.
Place the printer on a flat, hard, level
surface.
Print several sheets and the excess
toner should disappear.
Remove the imaging units and check
them for damage. If one is damaged,
replace it.
Remove the imaging units and verify
that the toner is distributed evenly on
each cartridge roller, and reinstall the
imaging units.
Check the control panel for an
or
LOW X TONER OUT X
necessary, replace the specified toner
cartridge.
Make sure that the printer's front cover
is closed.
Remove the imaging units and check
them for damage. If one is damaged,
replace it.
Remove the moist media and replace it
with new, dry media.
TONER
message. If