Redy/Busy; Xon/Xoff; Status 3 - SATO CL4NX Programming Reference Manual

2.3

REDY/BUSY

In this protocol, print data is controlled by hardware signal only without software procedures.
3
Refer to " RS-232C" for details.
2.4

XON/XOFF

This communication protocol tells printer status if it can receive any data or not to the host by sending "XON" (HEX 11H) or "XOFF" (HEX
13H) to the signal line.
3
Refer to " RS-232C" for details.
2.5

Status 3

This communication protocol returns the status corresponding to the request command from the host computer so that the host computer
can control printer status.
Refer to [12.42.2.1 Return status of status
3
] for details of the request command and the return status.
503