Using The Serial Interface - Epson Apex 20020, 20040 User Manual

3. Connect the other end of the cable to the printer, as shown
below. If the printer has retaining clips on each side of the
printer port, squeeze the clips together to secure the cable.
4. Plug the printer's power cord into an electrical outlet.

Using the Serial Interface

If you have a serial printer, modem, mouse, or any other
peripheral with a serial interface, you can connect it to the
serial (RS-232C) port on the back of the computer. Your
computer uses an IBM-compatible, 9-pin, male connector, so
be sure you have the proper cable. If you are not sure which
one you need, or whether you have the right one, check with
the store where you bought the cable.
Setting Up Your System
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