Articles on: Hardware

Getting Started with Epson TM-T20iii


Introduction


The Epson TM-T20III is a reliable and cost-effective thermal receipt printer designed for small businesses and retail environments. With its compact size and easy-to-use features, this printer is ideal for businesses looking for efficient and high-quality receipt printing. It offers fast printing speeds, versatile connectivity options, and a user-friendly design, making it a popular choice for businesses seeking a dependable receipt printing solution.


Epson Printer


Table of contents




Getting started


Unboxing and Contents


Step 1: Carefully unbox your Epson TM-T20III printer and ensure that all the necessary components are included in the package. These typically include the printer, power cable, interface cable (USB or Ethernet, depending on your model), roll of paper, and a user manual.


Step 2: Familiarize yourself with the printer’s physical features, such as the power button, paper feed button, and connectivity ports.



Hardware setup


  • Power Connection:


Step 1: Plug the power cable into the printer and connect it to a power outlet.



Step 2: Turn on the printer using the power button.



  • Paper Roll Installation:


Step 1: Open the printer cover.

Step 2: Insert the paper roll, ensuring it is placed correctly and aligned with the paper feed path.

Step 3: Close the printer cover.


Detecting Printer


Info: Please see the Point of Sale - Advanced - Paired Printer for steps to add a printer to eatOS app.



Test Print


Step 1: Be sure you have the eatOS app open and are logged in. The specific user does not matter.


Step 2: From your new order screen tap the drop-down arrow ( a) or slide the setting bar down ( b):


Step 3: Select Advanced



Step 4: On the left-hand side of your screen, select Paired Printers



Step 5: Tap on Detect Device. Followed by selecting your default KOT printer, receipt printer, and custom item.


Step 6: Tap on Test Printer


Note: The test print function specifically applies to receipts. Once you’ve selected the default Bill/Receipt printer model, you can initiate a test print to preview the bill and receipt templates. This confirms the successful connection of your printer. For testing kitchen tickets, simply create a test order and send it to your kitchen.



Troubleshooting


Here are some steps you can take if you're printer seems to be functioning incorrectly or not at all:


  • Make sure the paper is installed correctly



  • Make sure the printer is on



  • Check your connections, whether they be USB or RJ45 (Ethernet)



For additional info or troubleshooting, turn the printer off. After the printer is powered down, hold down the feed button and keep holding it while turning the printer back on. The printer should start printing diagnostics and information that includes the MAC address, IP info, etc.


What does an orange light indicate on my printer?

A flashing orange light on a printer can mean a few things, but it usually means a problem of some kind.


Flashing orange light


  1. Open the printer's cover and make sure the paper is not jammed.
  2. Close the printer's cover.
  3. Turn the printer off, then back on.


Solid orange light


  1. Open the printer's cover.
  2. Remove the roll and reload it so it feeds up from the bottom of the roll. If there is no paper left, load a new roll.
  3. Close the cover on the paper.
  4. If the light does not turn off, power the printer off and on and wait for a solid blue status light.


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Updated on: 06/15/2025

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