The self test lets you know if your printer is operating properly. It checks the control circuits, printer mechanisms, print quality, control software version, and DIP switch settings. This test is independent of any other equipment or software, so it is a good idea to run it when you first set up the printer and if you have any trouble.
If the self tests work correctly, the problem is in the other equipment or the software, not the printer.
1. Make sure the printer is turned off and the roll paper cover is closed properly.
2. While holding down the FEED button, turn on the printer using the switch on the front of the printer. The self test prints the printer settings and then prints the following, cuts the paper, and pauses. (The PAPER OUT light blinks.) If you want to continue SELF-TEST printing, Please press the FEED button.
3. Press the FEED button to continue printing. The printer prints a pattern using the built-in character set.
4. The self test automatically ends and cuts the paper after printing the following: *** completed ***
The printer is ready to receive data as soon as it completes the self test.
This information was taken from the Epson TM-U220 Technical Reference Guide.
Additional guides and manuals are available at:
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