SATO WS412DT - Status Return Method

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6.6.3 Status Return Method
In the WS4 series, STATUS3 and protocol for driver (STATUS4) are available as dedicated protocols. There is a
following status return method when using these protocols.
ENQ response mode
When the printer received the request command (ENQ) from the host computer, the latest status is returned to
the host computer.
1) STATUS3 / ENQ response mode
When the printer received the status request command (ENQ) from the host computer, the latest printer status
is returned.
Port9100 (or 1024) is used for receiving the command and returning the status at the time of 1 port connection.
Host
Printer
CONNECT
9100(or 1024)
CONNECTED
Status request(ENQ)
9100(or 1024)
CLOSE
9100(or 1024)
DISCONNECTED
LISTEN
ACCEPT
Latest printer status
9100(or 1024)
CLOSE
LISTEN