4511-xxx
2-110 Service Manual
Unexpected characters
print or characters are
missing.
• Ensure correct printer driver is being used.
• Select hex trace mode to determine what the
problem is.
• Restore factory defaults.
• Make sure the parallel cable or USB cable is
firmly plugged in at the back of the printer.
Jobs are not printing,
and the error light is on
solid.
• Make sure the print cartridge assembly is
installed properly.
• Make sure the printer top cover is closed.
While in PostScript 3
emulation, the printer
is flushing data
(Ready/Data and Error
lights are blinking).
• Ensure the correct PostScript driver is being
used.
• The printer doesn’t have enough memory to
print the job. Install more memory.
While using manual
duplex, the printer gets
a paper jam.
A paper jam interrupts the duplex process. As a
result, the information on the page that jammed
is lost.
• Press and release to cancel the print job
(E238, E240, E240n) or press Menu and
select Cancel (E340, E342n).
• Press and hold (approximately 3
seconds) to reset the printer.
• Resend the print job.
Print quality problems (continued)
Problem Action
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