Epson TM-T20II Technical Reference Guide

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■ Setting/Checking Modes...................................................................................................72
Self-test Mode ...................................................................................................................................... 72
NV Graphics Information Print Mode ................................................................................................ 74
Receipt Enhancement Information Print Mode............................................................................... 76
Software Setting Mode ....................................................................................................................... 78
Hexadecimal Dumping Mode ........................................................................................................... 80
Handling .......................................................................................81
■ Installing and Replacing Roll Paper..................................................................................81
■ Removing Jammed Paper.................................................................................................83
■ Cleaning the Printer............................................................................................................85
Cleaning the Printer Case .................................................................................................................. 85
Cleaning the Thermal Head/Platen Roller........................................................................................ 85
■ Preparing for Transport .......................................................................................................86
Replacement of the TM-T20........................................................87
■ Additional Functions and Functional Improvements ......................................................87
Print Speed ........................................................................................................................................... 87
Appendix......................................................................................89
■ Specifications of Interface and Connector .....................................................................89
USB (Universal Serial Bus) Interface .................................................................................................... 89
RS-232 Serial Interface......................................................................................................................... 90
Ethernet Interface................................................................................................................................ 92
■ Setting Conditions for Software Setting Mode..................................................................93

Epson TM-T20II Specifications

General

Type	POS printer
Print technology	Direct thermal
Maximum resolution	- DPI
Maximum printing width	80 mm
Ethernet LAN	No
USB port	Yes
USB 2.0 ports quantity	1
Connectivity technology	Wired
Product color	Gray
Input current	1.8 A
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Mean time between failures (MTBF)	360000 h