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Epson C31CH51011A0 TM-T20III Thermal Receipt Printer - USB - RS232 - UK

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The Epson TM-T20III Thermal POS Printer is a reliable and feature-rich solution for businesses seeking a high-performing and cost-effective printing solution for their POS operations. Its combination of fast printing speeds, easy integration, and compact design makes it an excellent choice for improving efficiency and customer service at the point of sale.


Economical: Automatic paper reduction function

Reliable: Mechanism life of 15 million lines

Fast print speed: Print speed of 250mm/sec

Flexible connectivity: Two models: 1) USB + Serial 2) Ethernet


Payment Methods: Payment Methods


The Epson TM-T20III Thermal POS Printer is a reliable and efficient printer designed specifically for point-of-sale (POS) applications. It offers high-quality printing with fast print speeds, making it ideal for retail, hospitality, and other businesses that require quick and accurate receipt printing.



  • Printing Method: Thermal line printing
  • Print Speed: Up to 250 mm/s
  • Print Resolution: 203 dpi


  • Dimensions (W x D x H): 5.51" x 7.83" x 5.75" (140 mm x 199 mm x 146 mm)
  • Weight: Approximately 3.75 lb (1.7 kg)
  • Color: Epson Black
  • Power Source: AC adapter (included)
  • Power Consumption: Operating: Approximately 1.8 A, Standby: Approximately 0.1 A


  • Interfaces: USB 2.0 Type B, Serial (RS-232C)
  • Data Buffer: 4 KB or 45 bytes

Paper Handling:

  • Paper Types: Receipts, coupons, tickets, labels
  • Paper Width: 3.13" ± 0.02" (79.5 mm ± 0.5 mm), 2.26" ± 0.02" (57.5 mm ± 0.5 mm)
  • Roll Diameter: Maximum 3.27" (83 mm)
  • Paper Thickness: 0.002" to 0.003" (0.05 mm to 0.08 mm)

Supported OS:

  • Windows: Windows 10, Windows 8.1, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012
  • Mac: macOS 10.15.x, macOS 10.14.x, macOS 10.13.x, macOS 10.12.x
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