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Problem
Recommendation
Self test pattern
is garbled
If the test pattern did not print as shown
in Chapter 1, the printer is faulty Refer
the problem to your dealer. If the pattern
is printed but is patchy or faint, check
that the ribbon is installed correctly
Beeper sounds and
printer stops
If the READY light is off and the ON LINE
light is flashing, the EX has stopped to
allow the head to cool. Printing will soon
resume; you do not have to do anything
to restart it. If the ON LINE light is not
flashing, 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, take it to
a qualified service Person.
Troubleshooting Graphics Problems
Problem
Strange dot patterns
appear in graphics
printouts
Recommendation
Many computers have problems sending
one or more of the codes between 0 and
13. Try to avoid these characters if
possible.
Be sure that no other commands or
carriage returns come between the
graphics command and its data.
Printer freezes when
printing graphics
Text appears as random
graphics characters
If the printer freezes in graphics mode,
you have sent too few columns of data.
If you interrupt the computer while it is
printing in graphics mode, for example
during a screen dump, it may not reset
the printer to text mode. If not, the next
text printed will be interpreted by the
printer as graphics data. Turn off the
printer and turn it back on again to reset
it.
Problem Solving and Maintenance
D-3