Epson iDP3410 9.3 Input and Output Signals 9.3.1 Input and Output Signals

iDP3410 User's Manual

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9.3 Input and Output Signals9.3.1 Input and Output Signals

(1) Input signals to the printer

•DATA : An 8-bit parallel signal. (Positive logic)

•STB : A strobe signal to read the 8-bit data. (Negative logic)

•RESET : A signal to reset the printer from the outside.(Negative logic)

(2) Output signals from the printer

•ACK : An 8-bit data request signal. A pulse signal output at the end of the BUSY signal.

(Negative logic)

•BUSY :A signal to indicate the BUSY status of the printer. Input new data when at

"LOW". (Positive logic)

•FAULT : A signal turned to "LOW" when the printer has an alarm. At this time, all the

control circuits in the printer stop. (Negative logic)

•SELECT : A signal to show whether the printer is selected(on-line) or deselected.(Positive

logic)

•COMPULSION

: A signal to show the status of the drawer switch.(Positive logic)

•PE: A signal to show that the paper has run out. Normal at the "LOW" level, but turned

to the "HIGH" level when the paper has run out.

(3) Power related signal

•GND : Common ground on the circuits

•Vcc : A +5V signal. Connected via a 3.3kΩ resistor.