Citizen Systems iDP-3423 - Manual (Page 45)

iDP-3420/3421/3423 User’s Manual
45 CITIZEN
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(1) Data input and printing timing
T1, T2, T3 : 0.5 ms MIN
T4
: 270 ns MAX
T5 : 2.3ms TYP
T6 : 500 ms MIN (At power-on)
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When the BUSY signal is at "LOW," the printer can receive the data from the host, but when
at "HIGH," it cannot.