Epson Aculaser CX21N Series, User Manual

Page: 299 / 401

Printing Problems 299
Print Quality Problems
The background is dark or dirty
White dots appear in the printout
Print quality or tone is uneven
Cause What to do
You may not be using the correct type of
paper for your product. 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 359 for information on
choosing paper.
The paper path inside the product may be
dusty. Clean internal product components by printing
three pages with only one character per page.
Cause What to do
The paper path inside the product may be
dusty. Turn off the product. Clean internal product
components by printing three pages with only one
character per page.
Cause What to do
Your paper may be moist or damp. Do not store paper in a humid or damp environment.
The print head is dirty. See "Cleaning the print head" on page 288 and
clean the print head.
One of the toner cartridges may be near the
end of its service life. If the message on the LCD panel or in EPSON Status
Monitor indicates that one of the toner cartridges is
near the end of its service life, replace it. See "Toner
Cartridge" on page 278.
You can also check the remaining service lives of the
toner cartridges by looking at the
Basic Settings tab
in the printer driver.
There may be a problem with the
photoconductor unit. Replace the photoconductor unit. See
"Photoconductor Unit" on page 281.