Epson LQ-1050 User Manual page 223

Problem
The printer does not
print (continued).
The printer sounds like
it is printing, but
nothing is printed.
The printer makes a
strange noise, the
buzzer sounds several
times, and the printer
stops abruptly.
The ON LINE light is
flickering but the
printer does not print,
or it stops printing
abruptly.
The print is faint or
uneven.
Printed characters have
parts missing at the
bottom as shown here.
ABCD
7-6 Troubleshooting
Solution
The ribbon cartridge may not be installed
properly. Turn off the printer, reinstall the
ribbon cartridge, and take up any slack in
the ribbon.
The ribbon may be worn. Replace the
ribbon cartridge. See Chapter 6.
This indicates an error in printer
operation. Turn off the printer, check for
paper jams or other problems, then turn
the printer back on. If the printer still does
not print correctly, contact your Epson
dealer.
The print head is overheated. Wait a few
minutes; the printer resumes printing
automatically when the print head cools.
The ribbon cartridge may not be installed
properly. Remove the ribbon cartridge
and reinstall it. Make sure the cartridge
hooks are inserted securely into the
printer. See Chapter 6.