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Chapter 6 TROUBLESHOOTING
AND MAINTENANCE
The following section on troubleshooting and maintenance is intended only
as a brief guide to these functions. Remember that your printer is a highly
sophisticated electronic device, which also contains high voltages inside.
For that reason, only carry out those operations described in this section.
CAUTION
Any attempt to carry out operations other than those described here may result in
electric shock and/or damage to the printer. When carrying out any repairs or
maintenance, always follow the instructions carefully.
TROUBLESHOOTING
Your printer is a reliable piece of precision machinery, which should not
cause you any trouble, provided it is used and treated sensibly. However, the
few elementary tips below should avoid you having to make unnecessary
service calls. The following table gives you ideas on where to look in this
section if you experience faults:
Region of fault
Power supply
Printing
Paper feeding
L
Description
Power is not being supplied to the printer
The printer does not print or stops printing
The print is faint or uneven
Dots are missing in characters or graphics
While using application software, fonts or characters cannot be printed
The printout is not what is expected when running a program
Single sheets do not feed properly (without ASF)
Continuous paper does not feed properly with the tractor feed
The ASF is not operating or is not feeding paper properly
Paper park (switching between continuous paper and cut sheets) is not
working properly
The short tear-off function does not work
Text is being printed all on one line, or with extra blank lines
Page length and margin settings are not what is expected.
Remember - it is better not to attempt operations or repairs above your level
of competence. Otherwise, you run the risk of damaging the printer.
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