For Parallel Interface - Epson TM-T88V Technical Reference Manual

For Parallel Interface

Connecting the parallel interface cable
1
Insert the interface cable connector firmly into the interface connector
on the connector panel.
2
Press down the clips on either side of the connector to lock it in place.
3
When using interface cables equipped with a ground line, attach the
ground line to the screw hole marked "FG" on the printer.
4
Connect the other end of the interface cable to the host computer.
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