Checking The Printer With The Computer; Parallel Connection To An Ms-Dos Computer - Epson FX-870 Service Manual

The cable configuration for connecting the printer serially to a 25-pin (XT-type) computer
connector is shown in the figure below.
side
1 FGND,
5 CTS
6 DSR 4
Figure 2-2. Serial Cable Configuration to a 25Pin Computer Connector

Checking the Printer with the Computer

The paragraphs below describe ways to check the computer's connection to the printer. If
you have problems after performing these checks, see Chapter 3, Troubleshooting.

Parallel Connection to an MS-DOS Computer

Once you have connected the printer to the computer, you can test the connection by send-
ing a print screen to the printer. (At the MS-DOS prompt, type
press Print Screen or Shift+Print Screen.)
If the printer does not respond, try modifying the MS-DOS MODE command. From the
MS-DOS directory, type the following command and press Enter:
In this command, n represents the port you are sending data through (typically LPTl or
the message:
Epson FX-870/1170
Installation and Setup
Computer
and press Enter. Then
DIR
2-3