Epson EQUITY 3865X/20 PLUS User Manual page 231

System diagnostics tests (continued)
Device
Dot-matrix
Hard disk drive(s)
and controller
Alternate parallel
port (on option
card)
Parallel port on a
video adapter
Tests available
Seek check
Write, read check
Read, verify check
Run all above checks
Performing System Diagnostics
Description
Tests the
operation of a
dot-matrix printer
in several modes;
requires the
printer to be
loaded with paper
Tests the
operation
of the hard disk
drive(s)
Tests the
secondary
parallel port;
similar to primary
parallel port test
Tests the parallel
port included
on a video
adapter; requires
a loop-back
connector
(contact your
dealer)
C-11