8143 New Serial Interface - Epson LQ-1050 User Manual

4. Secure the upper case with the two retaining screws.
5. Replace all parts and options you removed earlier.
WARNING: Before you use the optional interface board, be
sure to disconnect the interface cable for the printer's
built-in parallel or serial interface. Two interface cables
must not be installed at the same time.

#8143 New Serial Interface

If you are using an optional interface, it may be necessary for you to
alter the communication protocol of the printer or the computer so
that they can communicate properly. In most cases, you should use
the information in your optional interface manual or your
computer's manual to match the computer with the interface.
If you are using the #8143 optional interface board, make sure that
you read through the section below on baud rate selection. You may
also want to see the sections on handshaking timing and error
handling for interface information specific to the printer.
Using the Printer Options
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