Epson LT-286 - Manual (Page 126)

Appendix D
Performing System Diagnostics
This appendix describes how to check the operation of the main
unit and peripheral devices of your system. You check these devices
using the diagnostics program on your Reference diskette.
Run the diagnostics program if you are not sure whether a device is
performing correctly. The table at the end of this appendix lists the
error messages you may see during testing.
Starting System Diagnostics
To start the system diagnostics program, follow these steps:
1. Insert the Reference diskette in drive A.
2. Turn on or reset the computer. Press Enter to respond to the
DATE and TIME prompts. The diagnostics program loads
automatically and displays the main menu:
OPERATION MENU
1 - Setup
2 - System diagnostics
0 - Exit to DOS for more utilities
Enter selection number:
3. Press 2
to select
System diagnostics
and then press
Enter.
When you start the system diagnostics, the computer checks
the system’s configuration. Once this check is completed, the
screen displays the DEVICE LIST, a list of the devices available
for testing. This list includes only the devices that are installed
in the system.
Performing
System Diagnostics D-1