The affordable TM-T20III thermal receipt printer is the perfect solution for retailers looking for reliable performance and the flexibility to support existing POS and mPOS systems. Choose from the Serial, Parallel, wireless or Ethernet model. The Ethernet model makes it easy to print from smart devices with mPOS/tablet POS functionality. With speeds up to 250 mm/second and options to reduce paper usage, the TM-T20III is the smart choice for retailers looking for a fast, efficient POS solution. A reliable performer you can count on, it offers a 150 km printhead1 and an auto-cutter life of 1.5 million cuts1.
Epson TM-T20III Thermal Receipt Printer
Printer Overview
- Affordable, high-speed thermal printer for reliable retail and POS operations
- mPOS / tablet support via Epson ePOS SDK (iOS® / Android™)
- Fast print speed up to 250 mm/sec
- Enhanced paper-saving mode reduces usage up to 30%
- Auto-cutter rated for 1.5 million cuts
- Reliable printhead rated for 150 km / 150 million pulses
- 2-year limited warranty and dedicated support resources
Technical Specifications
| Print Method | Thermal line printing |
|---|---|
| Print Speed | Max. 250 mm/sec (9.84″/sec) |
| Fonts | 9 × 17 and 12 × 24 dots/character (W × H) |
| Column Capacity |
Standard: 80 mm: 48 / 64 columns 58 mm: 35 / 46 columns 42-Column Mode: 80 mm: 42 / 60 columns 58 mm: 42 / 31 columns |
| Character Size | 0.88 × 2.13 mm and 1.25 × 3.00 mm (W × H) |
| Character Set |
95 Alphanumeric, 18 International, 128 × 43 Graphic Barcodes: UPC-A/E, JAN13 (EAN13), JAN8 (EAN), Code39/93/128, CODABAR (NW-7), QR Code, MaxiCode, PDF417, Composite Symbology, GS1-128, GS1 DataBar, 2D GS1 DataBar, ITF, Datamatrix, Aztec |
| Characters per Inch | 22.6 and 16.9 cpi |
| Media Dimensions |
80 mm: 79.5 ± 0.5 × 83 mm (3.13″ ±0.02″ width × 3.27″ roll dia.) 58 mm: 57.5 ± 0.5 × 83 mm (2.26″ ±0.02″ width × 3.27″ roll dia.) Thickness: 48 – 80 µm |
| Connectivity |
Built-in USB + Serial Interface Built-in USB + Parallel Interface Ethernet Interface Wireless Interface (Ethernet + OT-WL06) 802.11 b/g/n/ac Dual Band (Wi-Fi® 5 GHz) |
| Mobile Printing |
Compatible with iOS®, Android™, and Windows® via Wi-Fi (802.11) or Bluetooth® Epson ePOS Technology: Supports direct web-based and mobile printing |
| Dimensions (W × D × H) | 5.51″ × 7.83″ × 5.75″ (140 × 199 × 146 mm) |
| Weight | 3.75 lb (1.7 kg) |
| EMI Standards | FCC / ICES-003 Class A / NMB-3 (A) |
| Safety Standards | UL 60950-1 / CSA C22.2 No. 60950-1 |
| Case Color | Epson Black |
| Reliability |
MTBF 360,000 hours / MCBF 60 million lines Auto-cutter 1.5 million cuts D.K.D. 2 drivers |
| Options | External buzzer unit (0T-BZ20) |
| Installation | Horizontal / Vertical on counter / Vertical on wall with wall-mount bracket |
| Power Supply Voltage | 24 V DC ± 7% |
| Power Consumption | Operating ≈ 29.5 W | Standby ≈ 0.8 W |
| Power Source | 100 – 240 V AC, 50/60 Hz (External AC cable included) |
| What's in the Box |
TM-T20III thermal receipt printer Thermal roll paper (starter roll) Ethernet cable (depends on model) AC cable (depends on model) Setup guide and wall hanging bracket |
| Warranty | 2-year standard limited warranty |
| Eco Features |
RoHS compliant ENERGY STAR® qualified (models vary) Recyclable product (2) Epson America, Inc. is a SmartWay® Transport Partner (3) |
| Ordering Information |
TM-T20III USB + Serial (C31CH51001) TM-T20III USB + Parallel (C31CH51A9981) TM-T20III Ethernet (C31CH51A9972) TM-T20III Wireless (C31CH51A9991) OT-WL06 Optional Wireless Adapter (C32C891321) |
| Software |
Drivers & Tools: APD, OPOS™, JavaPOS™, OPOS NET™, TM Virtual Port Driver, Linux® CUPS Driver, macOS® / OS X® Driver TM-T20III Utility, Deployment Tool, Monitoring Tool, Epson Net Config (Windows & Mac®), ePOS SDK |




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