Epson TM-L90 series - How to Use the Self-Test; Print Tests

2-4 Troubleshooting Guide Rev.B
Confidential
How to Use the Self-test
There are two types of self-tests.
❏ Print tests
Print Tests
Testing the Thermal Printer
Execute this test using the following procedure.
Note:
You can interrupt the test print by pressing the FEED button during the test. To continue, press the
FEED button again.
Table 2-2 Running the thermal printer print test
Step Operation Printer Operation
1 Turn the power supply ON while pressing the
FEED button, and continue to push the FEED
button untill ERROR LED is li.
The printer will print the status of the printer settings.
Afterward, the autocutter will cut the roll paper and
the PAPER OUT LED will flash.
2 Press the FEED button after the PAPER OUT LED
flashes.
The print test will be executed. When the print test is
completed, the printer will print ***completed***. The
printer will enter the normal printing mode when the
test is ended.