Data Receiving Control; Buffering - Citizen iDP3540 Series User Manual

iDP3540/3541 User's Manual

9.3.4 Data Receiving Control

When the BUSY signal is LOW, your printer receives data from the host side, but when this signal is HIGH, it
cannot receive data.

9.3.5 Buffering

Data transfer to the input buffer is controlled by the DTR and TD signals.
Please refer to 9.3.1 b) for the DTR signal and 9.3.1 f) for the TD signal.
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