SATO s84ex - Page 426

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3) Sequence
(1) Status 4/Cyclic response mode (2 ports connection or 1 port connection)
The printer will return the status in the interval of 500 to 1000 msec. When receiving a status request command (ENQ:
05H) from the host, the printer returns the latest printer status data.
LISTEN
CONNECT
（Port1024, Port1025, ACCEPT
or Port9100)
CONNECT SUCCESS
Connection
Printer status
(in about 500 - 1000 msec interval)
Port1025 or Port9100
Status request
(Port 1025 or Port 9100)
(ENQ "05H") The latest printer status
Printer status
(Port 1025 or Port 9100)
CLOSE
(Port1024, Port1025,
or Port9100) CLOSE
CONNECT END
LISTEN
(2) Status 4/ENQ response mode (2 ports connection or 1 port connection)
After receiving a status request command (ENQ: 05H) from the host, the printer returns the latest printer status.
LISTEN
CONNECT
(Port1024, Port1025, ACCEPT
or Port9100)
CONNECT SUCCESS
Connection
Status request
(Port1024, Port9100) The latest printer status
(ENQ "05H") Printer status
(Port1025、Port9100)
CLOSE
(Port1024, Port1025, CLOSE
or Port9100)
CONNECT END
LISTEN
Host
Printer
Host
Printer