Epson PLQ-35 User Manual page 48

The interface cable is not plugged in securely.
Your interface cable does not meet the printer
and/or computer specifications.
Your software is not properly set up for your
printer.
The printer makes noise, but nothing prints or printing stops abruptly.
Cause
The ribbon has too much slack, the ribbon has
come loose, or the ribbon cartridge is not installed
properly.
The printout is pale.
Cause
The ribbon is worn out.
The printout is faint.
Cause
The ribbon is worn out.
Part of the printout is missing, or dots are missing in random positions.
Cause
The ribbon has too much slack, the ribbon has
come loose, or the ribbon cartridge is not installed
properly.
The ribbon is worn out.
Lines of dots are missing in the printout.
Cause
Check that both ends of the cable between the printer and the
computer are plugged in securely. If the cable is connected
correctly, run a self-test as described in "Printing a Self Test" on
page 53.
Use an interface cable that meets the requirements of both the
printer and computer. See "Electronic" on page 63 and your
computer documentation.
Select your printer from the Windows desktop or in your
application. If necessary, install or reinstall the printer driver
software.
What to do
Remove any slack in the ribbon by turning the ribbon-tightening
knob, or reinstall the ribbon cartridge as described in the section
under "Replacing the ribbon cartridge" on page 36.
What to do
Replace the ribbon cartridge as described in "Replacing the ribbon
cartridge" on page 36.
What to do
Replace the ribbon cartridge as described in "Replacing the ribbon
cartridge" on page 36.
What to do
Remove any slack in the ribbon by turning the ribbon-tightening
knob, or reinstall the ribbon cartridge as described in "Replacing
the ribbon cartridge" on page 36.
Replace the ribbon cartridge as described in "Replacing the ribbon
cartridge" on page 36.
What to do
PLQ-35 User's Guide
Troubleshooting 48