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6-3. Self-Printing
6-3-1. Test Printing
(1) Load a paper roll into the printer.
(2) With the front cover closed, turn the power switch on while holding down the FEED button.
(3) The internal speaker produces a buzzer sound, and the printer starts a test print.
The printer prints its version number, DIP switch settings, memory switch settings, etc. When the test print is
finished, the printer returns to normal mode.
6-3-2. Hexadecimal Dump Mode
(1) With the front cover open, turn the power on while holding down the FEED button.
(2) When you close the front cover after the printer initialization has been completed, the printer prints "*** Hex
Dump Printing ***" and enters Hexadecimal Dump mode.
(3) All the signals received from the host computer are printed in hexadecimal code. You can use this mode to check
whether the control codes sent from your program are being received correctly by the printer.
(4) If the last line of program data is less than one line, you can press the FEED button to print it.
To clear this mode, turn the printer off.
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