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IBM Personal Computer

IBM Personal Computer
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Test 8020
1 Check your wall outlet for proper operation (use
a working lamp).
2 Verify
that
the Printer Cable is properly
connected
to
the printer and system unit.
Did you find any problem while doing the above
step?
NO -
Go
to the next step.
YES - Correct the problem
and
perform the
system diagnostic tests again.
3
Set the Power switches
on
the printer
and
system unit to Off.
(If
an
expansion unit is
attached, also set its Power switch
to
Off.)
4
Disconnect the Printer Cable.
April 1984
Test 8020-1

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