Epson T20IIIL Guest Receipt Printer Troubleshooting & Info
This article applies to the Epson T20 IIIL thermal printer. There are other models in use, called the T-20I and the T-20II. Please do not confuse them. While they look the same, some of the details between the two are different.
The T20IIIL has the power supply built in to the printer. There is no need for an external power brick. The T-20-II and T-20-III printers require an external power brick.
The T-20 line of printers (I, II & III) do NOT have changeable interface cards.
Follow the steps below to install/replace the roll paper.
Please note the direction the paper is facing when inserted into the printer and also how the paper is sticking out of the printer.
Also make sure when replacing the paper roll that there is no old roll at the bottom of the paper holder
If nothing is printing on the printer please ensure the paper you are using is thermal paper
Location of power switch.