Epson LQ-300+ User Manual page 92

The print is faint or uneven
Printed characters have parts missing at the bottom.
Cause
The ribbon cartridge may not
be installed properly.
The printout is faint.
Cause
The ribbon may be worn out.
Dots are missing in printed characters or graphics
A line of dots is missing in the printout.
Cause
The print head is damaged.
Dots are missing in random positions.
Cause
Either there is too much slack
in the ribbon or the ribbon has
come loose.
Printed characters are not what you expected
The typestyles or characters you sent with your software did not
print.
Cause
92
Troubleshooting
What to do
See "Replacing the Ribbon Cartridge"
on page 61.
What to do
Replace the ribbon cartridge as
described in "Replacing the Ribbon
Cartridge" on page 61.
What to do
Stop printing and contact your dealer to
have the print head replaced.
What to do
Reinstall the ribbon cartridge as
described in "Replacing the Ribbon
Cartridge" on page 61.
What to do