Epson AcuLaser C3900N User Manual page 139

Symptom Cause
Image defects. The laser lens is dirty.
A toner cartridge may be leaking.
A photoconductor unit may be
defective.
Lateral lines or The printer is not level.
bands appear on
The media path is dirty with
image.
toner.
One or more of the
photoconductor units may be
defective.
Colors look One or more of the
drastically wrong. photoconductor units may be
defective.
One or more of the toner
cartridges may be low or empty.
Colors are not One or more of the
registering photoconductor units may be
properly; colors defective.
are mixed or have
The media is moist from
page-to-page
humidity.
variation.
The color has a One or more of the
poor reproduction photoconductor units may be
or has poor color defective.
density.
AcuLaser C3900 Series
Solution
Clean the laser lens.
Remove the toner cartridges and check them for damage. If
one is damaged, replace it.
Remove the photoconductor unit with the color causing the
abnormal image.
Replace it with a new photoconductor unit.
Place the printer on a flat, hard, level surface.
Print several sheets and the excess toner should disappear.
Remove the photoconductor units and check them for
damage. If one is damaged, replace it.
Remove the photoconductor units and verify that the toner
is distributed evenly on each cartridge roller, and reinstall
the photoconductor units.
Check the control panel for an TONER LOW X or REPLACE
TONER X message. If necessary, replace the specified toner
cartridge.
Remove the photoconductor units and check them for
damage. If one is damaged, replace it.
Remove the moist media and replace it with new, dry media.
Remove the photoconductor units and check them for
damage. If one is damaged, replace it.
User's Guide
Troubleshooting 139