Epson TM-T20 Technical Reference Guide

38
Connecting the serial interface (RS-232) cable
1
Insert the serial cable connector firmly into the interface connector.
When using connectors equipped with screws, tighten them to secure the connectors
firmly.
When using interface cables equipped with a grounding line, attach the ground line to the
screw hole marked “FG” on the printer.
2
Connect the other end of the serial cable to the host computer.
WARNING
Be sure to turn off the power supply for both the printer and host computer before
connecting the cables.
Serial cable

Epson TM-T20 Specifications

General

Autocutter	Yes
Print Method	Line thermal
Paper Width	79.5 ±0.5 mm
Interface	USB, Ethernet
Dimensions	140‎ x 199 x 146 mm (Width x Depth x Height)
Power Supply	External power supply
Paper Thickness	0.06 - 0.085 mm