Epson

Epson C31CH51011A0 TM-T20III Thermal POS Printer

4.6 (224 reviews)

Reliable Receipt Printing for Your Business Needs The Epson TM-T20III is a dependable thermal POS printer designed for efficient and high-quality receipt printing. Compatible with Square Stand and Square Register, this monochrome printer ensures seamless integration with your point-of-sale syste...

$209.80*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jun 28, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Reliable Receipt Printing for Your Business Needs

The Epson TM-T20III is a dependable thermal POS printer designed for efficient and high-quality receipt printing. Compatible with Square Stand and Square Register, this monochrome printer ensures seamless integration with your point-of-sale system.

  • Printing Technology: Thermal
  • Print Output: Monochrome
  • Interface: USB
  • Maximum Print Speed (Monochrome): 7 in/s
  • Maximum Print Resolution (Black and White): ~22.6 dpi or ~16.9 dpi
  • Media Size Maximum: A6
  • Warranty: 2 years limited warranty

Key Features

Compatible with Square Stand and Square register - USB only- IF NOT WORKING WITH SQUARE, UPDATE SQAURE APP

USB interface ONLY - Not blutooth or WIFI

To Use with Square, you must have the Square Stand Or Square Register

Compatible with Square Stand and Square register USB only

Specifications

Brand
Epson
Model
C31CH51011A0 TM-T20III
Printer Type
Thermal POS Printer
Interface
USB only
Compatibility
Square Stand, Square Register

Pros & Cons

👍 Pros

  • Specifically compatible with Square Stand and Square Register, making it an integrated POS solution.
  • Connects via USB, ensuring a reliable wired connection for transaction processing.
  • Designed as a thermal POS printer, offering fast and quiet receipt printing for retail environments.
  • The Epson C31CH51011A0 is a dedicated point-of-sale printer, suggesting robust performance for its intended use.
  • Provides clear guidance that updating the Square App can resolve compatibility issues, offering troubleshooting advice.

👎 Cons

  • The printer features a USB interface ONLY, lacking Bluetooth or Wi-Fi connectivity for wireless operation.
  • Requires either a Square Stand or Square Register to be used with Square systems, limiting its standalone compatibility.
  • Exclusively compatible via USB with Square, restricting its flexibility for other POS systems or connection methods.
  • As a thermal printer, it requires thermal paper, which is a specific consumable that might cost more or be less readily available than standard paper.
  • The reliance on Square hardware (Stand or Register) might impose additional costs or system requirements for potential users.

Frequently Asked Questions

This Epson TM-T20III printer offers a USB interface ONLY; it does not support Bluetooth or Wi-Fi connectivity.
Yes, it is compatible with Square Stand and Square Register via USB, but requires one of those Square devices to function with Square.
If the printer is not working with Square, the features suggest updating your Square App might resolve the issue.
No, this thermal POS printer is explicitly stated to be USB interface ONLY and does not have Bluetooth or Wi-Fi capabilities.
To use this printer with Square, you must have either the Square Stand or the Square Register.