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Epson TM-T20IV

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Affordable receipt printing with built-in connection choices

The Epson TM-T20IV is a compact 3-inch thermal receipt printer for traditional PC-POS and mobile POS systems. It combines fast printing with straightforward status indicators and paper-saving features.

Epson TM-T20IV thermal receipt printer

Key Specifications

  • Print method: Direct Thermal
  • Print speed: Up to 250 mm/s (9.84 in/s)
  • Paper widths: 80 mm or 58 mm rolls; up to 83 mm roll diameter
  • Resolution: 203 × 203 dpi
  • Interfaces / connectivity: USB Type-B and RS-232; C31CL47002 adds 10/100 Ethernet and USB-A for an optional OT-WL06 Wi-Fi adapter
  • Cutter and reliability: Partial cut; 2 million cuts; 15 million-line mechanism; 60 million-line MCBF
  • Platform support: PC-POS and mPOS; Epson drivers and SDKs support Windows, macOS, Linux, iOS, Android and JavaScript workflows
  • Dimensions and weight: 5.75 × 7.84 × 5.75 in; 3.75 lb
  • Warranty: 2 years

In the Box

  • TM-T20IV printer (USB/Serial or USB/Ethernet/Serial configuration)
  • AC adapter and USB interface cable
  • Starter roll paper and 58 mm roll-paper guide
  • Wall-hanging bracket and rubber feet for vertical installation
  • User's Guide

AC power cable inclusion varies by configuration.

Fast receipt output

Print speeds up to 250 mm/sec support quick transactions.

Built-in interfaces

Choose USB with serial, or USB with serial and Ethernet, according to the POS connection required.

Reduce paper use

Top-margin and character-height reductions can save up to 30% of receipt paper, depending on the printed content.

Simple status checks

An LED with intuitive status icons helps with troubleshooting and routine maintenance.

Print Method
Direct Thermal
Print Speed
Up to 250 mm/s (9.84 in/s); up to 100 mm/s (3.94 in/s) for ladder barcodes and 2D symbols
Fonts
Font A: 12 × 24 dots; Font B: 9 × 17 dots (W × H)
Print Resolution
203 × 203 dpi
Column Capacity
  • Standard, 80 mm: Font A 48; Font B 64
  • Standard, 58 mm: Font A 35; Font B 46
  • 42-column mode, 80 mm: Font A 42; Font B 60
  • 42-column mode, 58 mm: Font A 42; Font B 31
Character Size (W x H)
Font A: 1.25 × 3.00 mm; Font B: 0.88 × 2.13 mm (standard mode)
Character Set
95 alphanumeric characters; 18 international sets; 128 extended graphics × 43 pages
Barcode
UPC-A, UPC-E, EAN-8, EAN-13, Code 39, ITF, Codabar, Code 93, Code 128, GS1-128, GS1 DataBar, PDF417, QR Code, MaxiCode, Composite Symbology, Aztec Code and DataMatrix
Characters Per Inch
Font A: 16.9 cpi; Font B: 22.6 cpi
Media Dimensions
  • 80 mm paper: 79.5 ± 0.5 mm wide; maximum roll diameter 83 mm
  • 58 mm paper: 57.5 ± 0.5 mm wide; maximum roll diameter 83 mm
  • Paper thickness: 53–75 µm
Interface (Dual-Interface Model)
  • USB 2.0 Type-B
  • RS-232, 25-pin
Interface (Triple-Interface Model)
  • USB 2.0 Type-B
  • 10BASE-T/100BASE-TX Ethernet
  • RS-232, 9-pin
  • USB Type-A for the optional OT-WL06 wireless LAN unit
Printing From a Mobile Device
iOS, Android and Windows mobile workflows supported through Epson software and SDKs
Epson ePOS Technology
Epson ePOS service supports direct printing from mobile devices and web-based applications
D.K.D.
Two drawer-kick drives
Dimensions (W x D x H)
5.75 × 7.84 × 5.75 in (146 × 199 × 146 mm)
Weight
Approx. 3.75 lb (1.7 kg), excluding roll paper
EMI Standards
FCC Class A; ICES-003 Class A
Safety Standards
UL 62368-1; CAN/CSA C22.2 No. 62368-1
Case Color
Epson Black
Reliability
  • Mechanism: 15 million lines
  • Thermal head: 150 km (93.2 miles)
  • Auto-cutter: 2 million cuts
  • MTBF: 360,000 hours
  • MCBF: 60 million lines
Options
Affixing tape (DF-10), external buzzer (OT-BZ20), and wireless LAN set (OT-WL06)
Installation
Horizontal or vertical on a counter, or wall-mounted with the included bracket
Power Supply Voltage
24 VDC ± 7%
Power Consumption
  • Operating: approx. 27.2 W
  • Standby: approx. 0.96 W
Power Source
Specified AC adapter; 100–230 V AC, 50–60 Hz. AC power cable inclusion varies by configuration.
What’s Included
TM-T20IV printer, starter roll paper, wall-hanging bracket, rubber feet for vertical installation, 58 mm roll-paper guide, AC adapter, USB interface cable and User’s Guide. AC power cable inclusion varies by configuration.
Warranty
2-year limited warranty in the U.S. and Canada; optional extended service plans available
Paper Feed Speed
Approx. 200 mm/s (7.88 in/s) during continuous feed-button operation
Cutting Method
Partial cut; one point at the left remains uncut
Buffer Memory
Receive buffer: 4 KB or 128 KB (4 KB default); downloaded buffer: approx. 12 KB; NV graphics: 256 KB; downloaded graphics: 208 KB
Print Width
Standard: 72.0 mm / 576 dots on 80 mm paper, 52.5 mm / 420 dots on 58 mm paper; 42-column mode: 68.3 mm / 546 dots and 47.3 mm / 378 dots
Paper Feed Direction
Unidirectional friction feed
Line Spacing
3.75 mm (0.15 in) default; programmable by command
Operating Environment
Operating: 5–45°C (41–113°F), 10–90% RH; storage: -10–50°C (14–122°F), 10–90% RH, excluding paper
Acoustic Noise
Approx. 55 dB at the bystander position under Epson test conditions
Epson ePOS-Print XML User’s Manual (Rev AJ)
Download
Epson POS Two-Year Limited Warranty
Download
Epson TM Printer Driver for Mac User’s Manual (Rev B)
Download
TM-T20IV Advanced Printer Driver v6.12 for Windows
Download
Epson Web Config Reference Guide (Rev E)
Download
TM-T20IV Configuration Utility v1.10 for Windows
Download
TM-T20IV Wall-Hanging Precautions
Download
TM-T20IV Technical Reference Guide (Rev D)
Download
TM-T20IV Spec Sheet
Download
TM-T20IV User's Guide
Download
TM-T20IV Printer Driver v3.0.1 and User Manual for Mac
Download
TM-T20IV Web Config Reference Guide — Revision E
Download

Shop TM-T20IV Models

C31CL47001

TM-T20IV Receipt Printer, Thermal, Serial & USB, Black, Power Supply

Interface:

USB + Serial

$221.49

C31CL47002

TM-T20IV Receipt Printer, Thermal, Ethernet, Serial & USB, Black, Power Supply

Interface:

USB + Serial + Ethernet

$335.02

Shop TM-T20IV Accessories

XWP-T220PF-10-ADD

Phenol-Free Thermal Receipt Paper, 3.125 Inches by 220 Feet, 10-Roll Pack; Introductory Pack Price, Ground Shipping Only

$45.00

EPPSDEXTA3

Epson Three Year Extended Warranty Coverage for Epson TM-T TM-L & TM-m Receipt Printer. Adds 3 Additional Years of Coverage to a Printer's Standard Warranty. Two-Way Shipping Is Included By Epson.

$128.41

EPPSDSITAA3

Epson 3-Year Spare-in-the-Air Advanced Replacement Warranty For All TM-T TM-L TM-M and DM Series Receipt Printers. Includes Paid Two-Way Next Business Day Shipping of Replacement Unit.

$109.58

C32C891321

USB Wireless Adapter Dongle (2.4GHz/5.0GHz), OT-WL06-321

$135.49

C32C890634

External Beeper with Volume Control, Optional Accessory for Epson Point of Sale Printers

$49.45

EPPSDSITAA1

Epson Preferred Plus Extended Service Plans - 1 Year SITA - Category A Service Plan

$38.45

EPPSDSITAA2

Epson Preferred Plus Extended Service Plans - 2 Year SITA - Category A Service Plan

$75.36

EPPSDEXTA1

Epson Preferred Plus 1-Year Return-for-Repair extended service plan for compatible Epson POS products. Adds one year to the standard warranty and includes two-way shipping.

$25.00

EPPSDEXTA2

Epson Preferred Plus 2-Year Return-for-Repair extended service plan for compatible Epson POS products. Adds two years to the standard warranty and includes two-way shipping.

$43.00

EPPSDSITAA4

Epson Preferred Plus 4-Year Spare-in-the-Air service plan for compatible Epson POS products. Includes next-business-day replacement and two-way shipping.

$72.00

EPPSDSITAA5

Epson Preferred Plus 5-Year Spare-in-the-Air service plan for compatible Epson POS products. Includes next-business-day replacement and two-way shipping.

$89.00

EPPSDSITAA1S

Epson Preferred Plus Extended Service Plans - 1Year Renewal SITA Coverage Extension

$66.00