Operation Manual

Appendix
147
Parallel Interface Connector
nACK Signal indicating that printer has read data into device completely.
This signal is output in response to /STB.
BUSY Signal indicating that printer is unable to receive data.
Printer is able to receive data when this signal is Low.
PE Signal indicating Paper Out of printer.
This signal is Low when paper is loaded and is High when paper is out.
SELECT Signal indicating that printer is under online status.
Printer is capable ofreceiving data when this signal is High.
nAUTFD Signal used for bi-directional communication
GND Ground
VCC Signal indicating that the power of printer is on.
This signal allows verifying ON/OFF status of power of printer and connection status of
printer cable.
nINT Signal for initializing printer.
Steady-state value is High.
Printer is initialized by Low.
nFAULT Signal indicating that printer is faulty.
nSELIN Signal used for bi-directional communication.
Signal name Function