TOP > Product Specifications > Interface > External Signal (EXT) Interface > Timing Chart of the EXT Input Signal Timing Chart of the EXT Input Signal Item Input Waveform Print Start Reprint (No Print Start Signal) Reprint (With Print Start Signal) • 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 product 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 product does not perform reprinting. • The reprint signal is valid only from the time of the print operation end (QTY=0) until the next print data reception. Other than that, the product does not perform reprinting. Back to top