Epson TM-T81III Technical Reference Guide

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Chapter 4 Application Development Information
Controlling the Optional External Buzzer
You can set the optional external buzzer to buzz when an error occurs and when an automatic cut off occurs.
The buzzer can be buzzed at any time using a driver or a command.
You can also set the timing and the beep pattern for the buzzer.
ESC/POS Commands
Use the buzzer control command or the output command for the specified pulse.
For details, see the ESC/POS Command Reference.
For Windows Printer Drivers (APD)
Use the DirectIO function or the API for opening the drawer. For details, see the manual for Status
API of the drivers.
OPOS (OCX Driver)
Register a POS printer using the SetupPOS Utility and control using the DirectIO function.
For details, see the “EPSON OPOS ADK MANUAL APPLICATION DEVELOPMENT GUIDE
POSPrinter (TM Series)”.
OPOS for .NET
Register a POS printer using the SetupPOS Utility and control using the DirectIO function.
For details, see the “EPSON OPOS ADK for .NET MANUAL Application Development Guide POS Printer
(TM-T81III)”.
Epson ePOS SDK
The command for the buzzer function is provided in each SDK library. For details, see the user's
manuals provided with each SDK.
For details on setting the optional external buzzer, see "Connecting the Optional External Buzzer"
on page 25
.

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