Epson TM-T20 - Page 67

Chapter 3 Application Development Information
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When the printer finishes printing the printer status, the following message is printed and
the Paper LED flashes. (The printer is now in the self-test wait mode.):
“Select Modes by pressing Feed button.
Continue SELF-TEST: Less than 1 second
Mode Selection: 1 second or more”
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Press the Feed button to start the test print (less than 1 second).
The printer starts test printing. (A rolling pattern is printed using only the resident
character set.)
After the test printing has finished, the printer prints the following message, and then the
printer is initialized and returned to the normal mode.
“*** completed***”
If you select “Mode Selection,” the printer goes to "NV Graphics Information Print Mode"
(page 69), "Receipt Enhancement Information Print Mode" (page 71), or "Memory Switch
Setting Mode" (page 72).