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An important
key to reliable
operation
of your Star LaserPrinter
4111 is
knowing
how to respond
when trouble occurs. Some problem
conditions
can
be handled
on the spot by the printer
operator.
Others require
servicing
by
trained personnel.
This chapter will explain
when to do what. It will also help
you deal with the paper jamming
and other operational
problems.
8.1 ERROR MESSAGES
DISPLAYED ON THE
SCREEN
The control panel screen may display
a variety of messages
during the course
of operation
of the Star LaserPrinter
4111. You are already
familiar
with the
display
sequence
during
power-up,
and when
programming
the printer.
Some messages
provide
information
about the paper supply
in the cassette
or the condition
of the EP-L
cartridge.
Others
have to do with fonts or
emulations.
Another
way of considering
errors is that some of them result from failures
in hardware
or software.
Other errors are functional,
meaning
that either the
printer
operator
or the host computer
has commanded
the controller
to
perform
an operation
that is beyond
its designed
capabilities.
If the printer
malfunctions
for some reason,
warning
messages
will appear
on the screen, recommending
what action you should take. The most serious
are messages
that tell you to call for repair service.
Some messages
concern
less serious conditions
that can be handled
by the printer operator.
Informa-
tion messages
relate a communication
problem
with the host computer,
but
do not affect the printer's
operation.
These messages
are summarized
here.
73
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