External Signal (EXT) Interface
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• Keep the print start signal (PRIN) to "Low" until the print end signal (Print done) is
outputted. For maintaining the print start signal (PRIN), refer to the Maintaining the
Print Start Signal (PRIN).
• Keep the output reprint signal (PRIN2) for more than 10 ms. When signal is outputted
for shorter than 10 ms, and reprint signal is not acknowledged, the printer does not
perform reprinting.
Maintaining the Print Start Signal (PRIN)
Item Input Waveform
Print Start
Print End
(PREND)
Signal
• Rise or fall time (T1) of Print Done signal is less than 150 ns. You have to consider the time when
outputting the signal from the connected devices.
• When the print start signal and reprint signal are outputted simultaneously, the print start signal is
enabled and the printer does not perform reprinting.
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