AT&T PC 6300 - I Parallel Printer Test

DIAGNOSTICS
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Verifying HDU Surface: This test verifies each track of the
HDU and searches for bad tracks.
Write to HDU Test Cylinder: This test writes information to
the HDU test cylinder.
Read and Check Data on HDU Test Cylinder: This test
reads information off the test cylinder. The test then checks to see
if the information read to the HDU was the same information that
was written in the previous test.
Parallel Printer Test
This option tests the printer connected to the parallel port of the
system. The tests initializes the printer which prints out a
complete character set. You must compare the printout to the
following display.
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