Epson C11CF39403 User Manual page 107

The paper is stuck together with static electricity.
The printout is pale.
Cause
The printing speed is set to Ultra high speed draft
(USD).
The ribbon is worn out.
The printout is faint.
Cause
The paper-thickness lever is set incorrectly for
your paper.
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
The print head is damaged.
Caution:
Never replace the print head yourself; you may damage the printer. Also, other parts of the printer must be checked when
the print head is replaced.
All the text is printed on the same line.
Cause
No line feed command is sent at the end of each
line of text.
LQ-590II/LQ-590IIN/LQ-2090II/LQ-2090IIN
Fan the paper well before you use it.
What to do
Change the printing speed setting as described in "Selecting a
Font and Pitch" on page 90.
Replace the ribbon cartridge as described in "Replacing the
Ribbon Cartridge" on page 122.
What to do
Move the paper-thickness lever to a lower setting. See "Adjusting
the Paper Thickness Lever" on page 19 for instructions.
Replace the ribbon cartridge as described in "Replacing the
Ribbon Cartridge" on page 122.
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 122.
Replace the ribbon cartridge as described in "Replacing the
Ribbon Cartridge" on page 122.
What to do
Stop printing and contact your dealer to have the print head
replaced.
What to do
Turn on the auto line feed setting using the printer's Default
Setting mode so that the printer automatically adds a line feed
code to each carriage return. See "Changing default settings" on
page 98.
User's Guide
Troubleshooting 107