Epson TM-T81III Technical Reference Guide

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Chapter 1 Product Overview
NV Memory
The printer is equipped with the NV memory (Nonvolatile Memory) to store data even after the printer power
is turned off. NV memory contains the following memory areas for the user:
 NV graphics memory
 User NV memory
 Memory switches
 R/E (Receipt Enhancement)
 User-defined page
 Maintenance counter
NV Graphics Memory
Graphics, such as shop logos to be printed on receipts, can be stored. Even with a serial interface model whose
transmission speed is low, high speed graphics printing is possible.
TM-T81III Utility or ESC/POS commands can be used for the graphic registration.
TM-T81III Utility or NV Graphics Information Print Mode can be used for the confirmation.
User NV Memory
You can store and read text data for multiple purposes, such as for storing a note including customizing or
maintenance information of the printer.
Memory Switches (Customized Value)
You can configure various settings of the printer. For more information, see "Software Settings" on page 26.
R/E (Receipt Enhancement)
Registered graphics in the NV Graphics Memory can be printed automatically, as a top logo before receipt
printing or as a bottom logo before cutting paper.
TM-T81III Utility or ESC/POS commands can be used for the settings.
TM-T81III Utility or Receipt Enhancement Information Print Mode can be used for the confirmation.
CAUTION
As a guide, NV memory rewriting should be 10 times or less a day when you program applications.

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