Epson T-750 User Manual - Page 131

Problem Solving and Maintenance, Problem, Recommendation

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Problem Printing is patchy faint, uneven, or intermittent 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 Paper feeding problems Regular gaps appear in printouts Self test pattern is garbled Beeper sounds and printer stops Recommendation Check that the ribbon is seated correctly and moves freely in the cartridge. If you have been using the ribbon for a long time or for a large amount of printing, it may need to be replaced. The print head can also wear out if the printer is used frequently and for long periods at a time. See page C-6 for instructions on replacing the print head. 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. If they are international characters, check the settings of DIP switches l-6 to l-8. If they are graphics characters, see that your software is correctly installed and that you have correctly set DIP switches 1-3 and 1-4. See Chapter 2 for specific instructions on loading paper. Check the settings of DIP switches 2-l and 2-3 to ensure that you've selected the correct paper size and that skip-overperforation is OFF If the test pattern did not print as shown in Chapter 1, the printer is faulty Call the Epson toll-free number for assistance. If the pattern is printed but is patchy or faint, check that the ribbon is installed correctly. Turn the printer off and see that it is not out of paper and that the paper is loaded correctly Then turn the printer back on and try again. If the printer beeps and does not print again, call the Epson tollfree number for the location of the nearest Authorized Epson Customer Care Center. C-2 Problem Solving and Maintenance

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Problem
Recommendation
Printing is patchy faint,
uneven, or intermittent
Check that the ribbon is seated correctly
and moves freely in the cartridge.
If you have been using the ribbon for a
long time or for a large amount of
printing, it may need to be replaced.
The print head can also wear out if the
printer is used frequently and for long
periods at a time. See page C-6 for
instructions on replacing the print head.
All the text is printed
on the same line or
text is printed with an
extra blank line between
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.
Some of the characters
printed do not match
those in the file
Paper feeding problems
If they are international characters,
check the settings of DIP switches l-6 to
l-8. If they are graphics characters, see
that your software is correctly installed
and that you have correctly set DIP
switches 1-3 and 1-4.
See Chapter 2 for specific instructions on
loading paper.
Regular gaps appear
in printouts
Self test pattern
is garbled
Check the settings of DIP switches 2-l
and 2-3 to ensure that you’ve selected
the correct paper size and that skip-over-
perforation is OFF
If the test pattern did not print as shown
in Chapter 1, the printer is faulty Call the
Epson toll-free number for assistance. If
the pattern is printed but is patchy or
faint, check that the ribbon is installed
correctly.
Beeper sounds and
printer stops
Turn the printer off and see that it is not
out of paper and that the paper is loaded
correctly Then turn the printer back on
and try again. If the printer beeps and
does not print again, call the Epson toll-
free number for the location of the
nearest Authorized Epson Customer Care
Center.
C-2
Problem Solving and Maintenance