Epson Apex-80 - Manual (Page 113)

Printing is patchy, faint,
uneven, or intermittent
Solution
Check that the ribbon is seated correctly
If you have been using the ribbon for a
long time or for a large amount of
printing, it may need to be replaced.
All the text is printed
on the same line or
text is printed with an
extra blank line between
Some of the characters
printed do not match
those in the file
It is also possible for the print head to
wear out if the printer is used frequently
and for long periods at a time. See the
instructions on replacing the print head at
the end of this appendix.
This can usually be corrected by
changing the setting of DIP switch 2-4. If
that does not solve the problem, you may
need a different cable.
Can’t get condensed print
Horizontal tabs don’t work
Horizontal tabs are incorrect
when changing pitch
If they are international characters,
check the settings of DIP switches 1-6 to
1-8. If they are graphics characters, see
that your software is correctly installed
and that you have correctly set DIP
switch 1-3.
Cancel emphasized mode; it has priority
over condensed.
Cancel NLQ mode: it has priority over
condensed.
Set margins before tabs, not after.
Tabs are set according to current print
pitch. Changes in pitch do not affect the
position of the tabs on the page.
C-2 Problem Solving and Maintenance