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Troubleshooting 377
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Print Quality Problems
The background is dark or dirty
White dots appear in the printout
Cause What to do
You may not be using the correct
type of paper for your printer.
If the surface of your paper is too rough,
printed characters may appear distorted
or broken. EPSON special paper, or
smooth, high-quality copier paper is
recommended for best results. See
"Available paper types" on page 403 for
information on choosing paper.
The paper path inside the printer
may be dusty.
Turn off the printer. Clean internal printer
components by printing three pages with
only one character per page.
Cause What to do
The paper path inside the printer
may be dusty.
Turn off the printer. Clean internal printer
components by printing three pages with
only one character per page.
Inside of knob [a] and knob [b] is
dirty.
Clean knob [a] and knob [b]. See
"Cleaning the Printer" on page 335 for
instructions.
There may be a problem with the
photoconductor unit.
Replace the photoconductor unit. See
"Photoconductor Unit" on page 319.