Epson TM-T81III Technical Reference Guide

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Chapter 4 Application Development Information
Application Development Information
This chapter describes how to control the printer and gives information useful for printer application
development.
Controlling the Printer
The printer supports the ESC/POS commands.
Users can control the printer by using the aforementioned command, or the following development kits or
drivers.
 EPSON Advanced Printer Driver (APD)
 OPOS ADK
 OPOS ADK for .NET
 Epson ePOS SDK
ESC/POS
ESC/POS is the Epson original printer command system for POS printers and customer display.
With ESC/POS commands, you can directly control all the printer functions, but detailed knowledge of printer
specifications or combination of commands is required, compared to using drivers and applications.
For detailed information about ESC/POS commands, see the ESC/POS Command Reference for TM Printers
that can be accessed from the following URL:
https://support.epson.net/publist/reference_en/

Epson TM-T81III Specifications

General

Print Method	Thermal line printing
Resolution	203 x 203 dpi
Paper Width	79.5 ± 0.5 mm
Auto Cutter	Yes
Interface	USB, Serial
Dimensions	140 x 199 x 146 mm
Paper Thickness	0.06 to 0.08 mm