AUTOTEST
The printer's self-test method is as follows: when the printer is connected to
the power adapter, press the (feed) key and open the printer at the same time,
release the button after approximately 2 seconds, the printer will print the cu-
rrent status and the settings.
Hexadecimal number system:
When the printer is connected to the power adapter, press (feed) and open
the printer at the same time, release the button after approximately 6 seconds.
The printer will print the words "Dump Hexadecimal".
Restore factory printer settings.
When the printer is connected to the power adapter, press the press (feed)
key and open the printer power at the same time, release the button after
approximately 10 seconds, the printer returns to factory settings.
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