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Service manual

ManualsBrandsCommodore ManualsComputer equipmentMPS-802
12345678910
SET
UP
AND
TESTING
(Continued)
Self
Test
This
unit
has a pre-programmed self-checking capability. The program
may
be used
to
test
the
print
head operation,
print
quality
and
printer
mechanism (ribbon feed
function,
linefeed,
etc.).
The
self-test
function
is initiated
by
pressing
the
paper advance
switch
while
turning
on
the
power
supply
switch.
NOTE:
Do
not
operate
the
self-test
function
in
the
no-paper
condition.
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SAMPLE
SELF
TEST PRINT-OUT
Additional
Testing
A sample program should be run
to
test
for
proper
interface
operation.
It
is
normally
recommended
that
the
"customer
complaint"
be checked
by
verifying
printer
operation during
print-out
from
an
appropriate program.
4