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Epson TM-T20IIIL User Manual

Epson TM-T20IIIL
73 pages
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Technical Reference Guide
Describes features of the product.
Describes advanced usage methods for the product.
Describes precautions for replacement.
Describes how to handle the product.
Describes setup and installation of the product and
peripherals.
Describes how to control the printer and necessary
information when you develop applications.
Describes general specications and character code tables.
M00115002
Rev. C
Product Overview
Setup
Application Development Information
Handling
Appendix
Advanced Usage
Replacement of the TM-T20

Table of Contents

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Epson TM-T20IIIL Specifications

General IconGeneral
TypePOS printer
Print technologyThermal
Product colorBlack
Mac operating systems supportedMac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave
Linux operating systems supportedYes
Windows operating systems supportedWindows 10, Windows 7, Windows 8, Windows 8.1
Maximum roll diameter80 mm
Printing media thickness53 - 75 µm
Connectivity technologyWired
Wi-FiNo
Internal memory- MB
Built-in barcodesCODABAR (NW-7), Code 39, Code 93, Code-128 Codabar Library, EAN13, EAN8, GS1 DataBar, GS1 DataBar Expanded, GS1 DataBar Limited, GS1 DataBar Omnidirectional, GS1 DataBar Truncated, GS1-128, MaxiCode, QR Code, UPC-A, UPC-E
Autocutter durability1.5 million cuts
Mean time between failures (MTBF)360000 h
AC input voltage100 - 240 V
Power source typeAC
AC input frequency50/60 Hz
Power consumption (printing)28.7 W
Weight and Dimensions IconWeight and Dimensions
Depth192 mm
Width140 mm
Height137 mm
Weight1500 g

Summary

About this Manual

Aim of the Manual

Explains the manual's purpose for developers and engineers.

Product Overview

Features

Details about the printer's capabilities and functions.

Product Configurations

Details about available models and accessories.

Part Names and Functions

Identifies and explains the printer's physical components and buttons.

LED Lights

Explains the meaning of the printer's status indicator lights.

Connectors

Details the various ports available on the printer for connectivity.

Online and Offline Status

Describes the printer's online and offline states.

Automatically Recoverable Errors

Details errors that the printer can resolve automatically.

Recoverable Errors

Explains errors that can be resolved by simple user actions.

Unrecoverable Errors

Describes errors requiring professional service or advanced troubleshooting.

Status Display

Provides a table showing LED status combinations and their meanings.

NV Memory

Information on non-volatile memory areas for storing user data and settings.

Setup

Flow of Setup

Outlines the sequential steps for installing the printer and peripherals.

Installing the Printer

Provides precautions and guidelines for physically installing the printer.

Connecting the Printer to the Host

Explains how to connect the printer to a computer via USB or other interfaces.

USB Interface Connection

Details the procedure for connecting the printer using a USB cable.

Serial Interface Connection

Describes how to connect the printer via a serial (RS-232) cable.

Ethernet Interface Connection

Explains how to connect the printer to a network using an Ethernet cable.

Connecting the AC Cable

Provides instructions for connecting the printer to a power source.

Connecting the Cash Drawer

Details how to connect a cash drawer to the printer.

Connecting the Optional External Buzzer

Explains how to connect and set up an optional external buzzer.

Advanced Usage

Software Settings

Configuration options for printer functions via memory switches and utilities.

Feature Details

Explains various printer features like line feed, power saving, and print density.

Setting/Checking Modes

Guides on entering and using various operational modes for settings and diagnostics.

Self-test Mode

Procedure to print product name, version, and status information.

NV Graphics Information Print Mode

Prints information about registered NV graphics.

Receipt Enhancement Information Print Mode

Prints settings related to auto top/bottom logo printing.

Software Setting Mode

Allows changing printer settings through interactive menus.

Restore Default Values Mode

Resets printer settings and user-defined data to factory defaults.

Interface Setup Mode

Configures network and interface settings (Ethernet model only).

Hexadecimal Dumping Mode

Displays transmitted data in hexadecimal and ASCII format for debugging.

Application Development Information

Controlling the Printer

Methods and tools for controlling printer functions via commands and SDKs.

ESC/POS Commands

Details the Epson original command system for POS printers.

Controlling the Cash Drawer

Explains how to control the cash drawer using commands or drivers.

Controlling the Optional External Buzzer

Describes how to control the optional external buzzer using commands or drivers.

Software for Development

Lists available development kits, drivers, and utilities for application development.

Development Kits

Details SDKs like OPOS ADK, JavaPOS ADK, and ePOS SDK.

Drivers

Lists available printer drivers for different operating systems.

Utilities

Describes utilities for managing printer settings and network configuration.

Notes on Printing Barcodes and Two-dimensional Symbols

Guidelines for optimal printing of barcodes and 2D symbols.

Handling

Installing and Replacing Roll Paper

Step-by-step instructions for loading and changing printer paper rolls.

Removing Jammed Paper

Procedures for clearing paper jams safely.

Cleaning the Printer

Instructions for cleaning the printer case and thermal head/platen roller.

Preparing for Transport

Steps to safely prepare the printer for shipping or moving.

Replacement of the TM-T20

Compatibility

Compares features and specifications with the previous TM-T20 model.

Printing

Comparison of printing and character specifications.

Print Speed

Details the speed differences between TM-T20IIIL and TM-T20.

Cutting Method

Describes differences in the paper cutting mechanism.

Logo Registration

Information on registering logos in NVRAM.

Driver Compatibility

Confirms compatibility with existing TM-T20 drivers.

USB Low Power Consumption Mode

Enabling USB low power saving features.

Paper Width

Specifies the compatible paper width for the printer.

IP Address Setting

Explains the changes in IP address assignment for Ethernet models.

Connecting as a Peripheral Device of the TM-i/DT Printer

Instructions for using as a network printer with TM-i/DT.

Overall Dimensions

Provides physical dimensions and weight for comparison with TM-T20.

Appendix

Product Specifications

Detailed technical specifications of the printer's hardware and capabilities.

Printing Specifications

Parameters related to printing method, speed, density, and character spacing.

Character Specifications

Details on character sets, structures, sizes, and scaling.

Paper Specifications

Information on compatible paper types, sizes, and thickness.

Printable Area

Diagram and dimensions of the maximum printable area on the paper.

Printing and Cutting Positions

Illustrates positions for manual cutter, autocutter, and print dotline.

Electrical Characteristics

Specifies voltage, current, and power consumption ratings.

Environmental Conditions

Details operating and storage temperature, humidity, vibration, and noise levels.

External Dimensions and Mass

Provides final physical dimensions and weight of the printer.

Specifications of Interfaces and Connectors

Technical details for USB, Serial, and Ethernet interfaces.

USB Interface Specifications

Details on USB connector, transmission speed, and device classes.

RS-232 Serial Interface Specifications

Parameters for serial communication, including baud rate, parity, and handshake.

Functions of each connector pin

Explanation of signals for each pin on the serial connector.

Ethernet Interface Communication Specifications

Details on supported protocols and network parameters for Ethernet.

Character Code Tables

Reference to online resources for character code tables.

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