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4.3 XON/XOFF
This communication protocol communicates with the host computer to see if the printer is ready to
receive data by sending “XON”(HEX 11H) or “XOFF”(HEX 13H) code to SD line.
When this communication protocol is set, receive mode is set to multi item buffer.
When the print data (STX ESC+“A”~ESC+“Z” ETX) has been sent from the host computer in the
conditions below, the accuracy of received data will not be guaranteed.
1) When the printer is in offline state.
2) When an error has occurred in the printer.
4.3.1 Line Connection
(Important)
Depending on the host computer used, it may need to loop CS and RS (maintaining at “High” level)
on the host computer side. For more details, refer to your host computer documentation.
4.3.2 Input and Output Signals
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