Epson equity 320sx plus User Manual

If you see one of the following errors, there may be a
problem with the controller or the test cable:

Check to make sure that the test connector is securely
connected to the port. If the error persists, contact your
dealer.

To exit from the System diagnostics program, press 

see the following prompt:

Before you press a key, remove the Reference diskette from

drive A. If you do not have a hard disk, insert your MS-DOS

Startup diskette in the drive. Then
the program. You see this message:

press Y and 

to exit

The computer loads MS-DOS and you see either the C : or 

prompt.