Citizen Systems iDP-3420, iDP-3421, iDP-3423 user manual Timing Chart, Data Receiving Control

iDP-3420/3421/3423 User’s Manual

9.3.3Timing Chart

(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)

9.3.4Data Receiving Control

When the BUSY signal is at "LOW," the printer can receive the data from the host, but when at "HIGH," it cannot.

45 CITIZEN