Citizen iDP-3210, Line Thermal Printer user manual 34/67 Citizen, 3 I/O Signals

iDP-3210 User’s Manual idp-3210 User's Manual

6.1.3I/O SIGNALS

(1)Input Signals to the Printer

•DATA : 8-bit parallel signal (positive logic)

• STB : Strobe signal to read 8-bit data (negative logic)

•RESET : Signal to reset the entire printer (negative logic) 1m sec or more

(2)Output Signals from Printer

•ACK : An 8 bit data request signal. Pulse signal output at the end of the BUSY signal. (negative logic)

•BUSY : The signal to indicate BUSY state of the printer. Input new data for "LOW". (positive logic)

•FAULT : The signal which is made "LOW" when the printer is in alarm state. All the control circuits inside the printer are stopped at this time.(negative logic)

• PE : The signal which is output when paper runs out or goes scarce. (positive logic)

•Drawer Switch Output: With the switch open, this signal goes "HIGH". When shorting, this goes "LOW".

(3)Power supply

• +5 V DC	: This is 5V pulled up by a 3.3kΩ resistor.
• GND	: This is the common ground for the circuit.

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