Black Or White Bands Appear In The Printout; White Dots Appear In The Printout; Print Quality Is Uneven On The Page - Epson AcuLaser C1900 Reference Manual

Black or white bands appear in the printout

Cause
There may be a problem with
the photoconductor unit.

White dots appear in the printout

Cause
Duplex printing on damp
coated or thick paper may
produce printouts with white
dots where the toner density is
high on the back of the paper.

Print quality is uneven on the page

Cause
Your paper may be moist or
damp.
There may be a problem with
the photoconductor unit.
290
Troubleshooting
What to do
Replace the photoconductor unit. See
"Photoconductor Unit" on page 246.
Check if the filter under the
photoconductor unit is dirty. If it is dirty
clean the filter. See "Cleaning the print
head filter" on page 261
What to do
Do not select Thick (Back) or Coated
(Back) as the Paper Type setting in the
printer driver. Choose Thick or Coated
instead.
Do not store coated paper in a humid or
damp environment. Be sure to use
paper that is newly unwrapped.
What to do
Do not store paper in a humid or damp
environment.
Replace the photoconductor unit. See
"Photoconductor Unit" on page 246.