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Epson 386/25 User Manual

Page 289

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System diagnostics tests (continued)

Device

Tests available

Dot-matrix

Description

Tests the

operation of a
dot-matrix printer
in several modes;
requires the
printer to be
loaded with paper

Hard disk drive(s)

and controller

Alternate parallel

Port

Seek check

Write, read check

Read, verify check
Run all above checks

Tests the

operation
of the hard disk
drive(s)

Tests the

secondary

parallel port;

similar to primary

parallel port test

Parallel port on a

video adapter

Tests the parallel

port included

on a video
adapter; requires
a loop-back
connector
(contact your
dealer)

Performing System Diagnostics

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