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78 Troubleshooting
Some characters are printed
incorrectly.
Inappropriate settings are
selected by your application
program.
Choose different settings in
your application.
Wires are missing from the
print head.
Return the printer to your
dealer for repair.
Printer behaves erratically.
Printing suddenly stops.
The interface cable is
connected incorrectly or
damaged.
Check to make sure that the
printer interface cable is
connected correctly. If it is,
try a different cable.
Static electricity caused by
interference from nearby
electrical devices or by low-
level humidity is affecting
printer operation.
Make sure that the printer is
not too close to any devices
with electric motors or that
raise the humidity level.
Problem Possible Cause Recommended Action