Epson LX-810 User Manual page 39

Testing the Printer
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Problem
The printout is
faint.
Solution
Dots are missing
in the printed
characters or
graphics.
A. line of dots is
missing in the
printout.
Ar^ r-N
DOU
Dots are missing in
random positions.
ABCD
The ribbon may be worn out. A worn
ribbon can damage the print head and
should be replaced. Install a new ribbon
cartridge as soon as possible. See page 6-4.
The paper thickness lever may not be set
correctly for the paper you are using. Set
the paper thickness lever to match the
thickness of your paper. See page 2-22.
The print head is damaged. Stop printing
and contact your Epson dealer or Epson
authorized service center to have the print
head replaced.
There is either too much slack in the
ribbon or the ribbon has come loose and
caught on something. Stop printing, turn
off the printer, and reinstall the ribbon
cartridge. See page 1-8.
If the printer still does not print the self test correctly, contact
your Epson dealer or Epson authorized service center.
Setting Up the Printer 1-25