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(2) Status 3 response mode (1 port connection)
The printer returns ACK by receiving the print request command sent from the host, and returns the printer status by
receiving the status request command (ENQ:05H)
LISTEN
CONNECT
(Port1024 or Port9100) ACCEPT
CONNECT SUCCESS
Connection
Status request
(Port 1024 or Port 9100) The latest printer status
(ENQ "05H") Printer status
(Port 1024 or Port 9100)
CLOSE
(Port1024 or Port9100） CLOSE
CONNECT END
LISTEN
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