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The Self-Test checks whether the printer has any problems. If the printer does not
function properly, contact your dealer. For Self-Test, turn on the power while holding
down the FEED Button. The Self-Test checks the following :
1) Make sure paper roll has been installed properly.
2) The Self-Test prints the current printer status, which provides the control
ROM version and the communication method setting.
3) After printing the current printer status, Self-Test will print a pattern using
the built-in character set.
4) The Self-Test automatically ends.
The printer is ready to receive data as soon as it complete the Self-Test.