Epson LQ-680 User Manual page 112

The printout has extra blank lines between lines of text.
Cause
Two line feed commands are
being sent at the end of each
line of text.
The line space setting in your
application software is
incorrect.
The skip over perforation
setting is on.
The printer prints strange symbols, incorrect fonts, or other
inappropriate characters.
Cause
Your printer and computer
are not communicating
correctly.
The wrong character table is
selected in your software.
5-14
Troubleshooting
What to do
Turn off the auto line feed setting
using the printer's default-setting
mode or the EPSON Remote! utility.
See "About Your Printer's Default
Settings" on page 4-3 or "Using the
EPSON Remote! Utility" on page 3-19.
Adjust the line space setting in your
application software.
Turn off the skip over perforation
setting in the default-setting mode or
the EPSON Remote! utility. See
"About Your Printer's Default
Settings" on page 4-3 or "Using the
EPSON Remote! Utility" on page 3-19.
What to do
Make sure that you are using the
correct interface cable and that the
communications protocol is correct.
See your computer documentation. If
you installed an optional serial
interface card, also see "Optional
interface cards" on page A-19.
Select the correct character table using
your software, the default-setting
mode, or the EPSON Remote! utility.
The character table setting in your
software overrides settings made in
the default-setting mode or the
EPSON Remote! utility.