Epson AcuLaser C3900N User Manual page 138

Symptom Cause
There is The media is moist from
insufficient fusing humidity.
or the image
Unsupported media (wrong size,
comes off when
thickness, type, etc.) is being
rubbed.
used.
Media type is set incorrectly.
There are toner One or more of the
smudges or photoconductor units may be
residual images. defective or installed incorrectly.
There are toner The media path is dirty with
smudges on the toner.
back side of the
One or more of the
page (whether or
photoconductor units may be
not it has been
defective.
duplexed).
Abnormal areas The laser lens is dirty.
(white, black, or
A photoconductor unit may be
color) appear in a
defective.
regular pattern.
AcuLaser C3900 Series
Solution
Remove the moist media and replace it with new, dry media.
Use Epson-approved media. See "Print Media" on page 58.
When printing envelopes, labels, letterhead, postcards,
thick stock, glossy, single side only paper or special paper,
specify the appropriate media type in the printer driver.
Remove the photoconductor units and check them for
damage. If one is damaged, replace it.
Print several blank sheets and the excess toner should
disappear.
Remove the photoconductor units and check it for damage.
If it is damaged, replace it.
Clean the laser lens.
Remove the photoconductor unit with the color causing the
abnormal image. Replace it with a new photoconductor
unit.
User's Guide
Troubleshooting 138