Epson AcuLaser C1900, Reference Manual

Page: 290 / 396

290 Troubleshooting
Black or white bands appear in the printout
White dots appear in the printout
Print quality is uneven on the page
Cause What to do
There may be a problem with
the photoconductor unit. 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
Cause What to do
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. 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.
Cause What to do
Your paper may be moist or
damp. Do not store paper in a humid or damp
environment.
There may be a problem with
the photoconductor unit. Replace the photoconductor unit. See
“Photoconductor Unit” on page 246.