Citizen CMP-20 Series User Manual page 31

NOTE
1. To print ASCII pattern additionally, press the Paper Feed button once
more.
2. After printing ASCII pattern, the self test will be finished automatically.
3. If the Paper Feed button is not pressed to print ASCII pattern, self test
will be finished automatically after 30 seconds.
When the printer is installed initially or when you face a problem, you can run
the self test and check the information about
- Firmware version, Codepage, Board version, serial interface setting,
Bluetooth address and so on.
After checking with self-test and no issues are found, you can examine other
devices and software. This function is working independent of devices and
software.
z Motor protection from being overheated
To prevent the motor for overheating, the printer should be stopped for at
least 30 seconds after continuously printing a 1.5 metre long receipt.
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