699
3) Sequence
1. Status 4/ENQ response mode (2 port connection or 1 port connection)
Status 4/ Cyclic response mode (2 port connection or 1 port connection)
Output print status in constant period (500ms-1000ms interval)
The latest Printer Status is returned after printer receives status request command (ENQ:05H)
from host.
LISTEN
CONNECT
(Port1, Port2 ACCEPT
or Port3)
CONNECT success
Printer status(About 500-1000ms interval)
Port2 or Port3
Latest printer status
Printer status
(Port2 or Port3)
CLOSE
(Port1, Port2
or Port3) CLOSE
CONNECT End
LISTEN
HOST
PRINTER
connect
Status request
(Port1 or Port3)
(ENQ[05H])
2. Status 4/ENQ response mode (2 port connection or 1 port connection)
Printer sends the latest printer status after Status after receiving status request command
(ENQ:05H) from host.
LISTEN
CONNECT
(Port1, Port2 ACCEPT
or Port3)
CONNECT success
, The latest printer status
Printer status
(Port2, Port3)
CLOSE
(Port1, Port2 CLOSE
or Port3)
CONNECT End
LISTEN
HOST
PRINTER
connect
Status request
(Port1, Port3)
(ENQ[05h])
3. Status 3, Status 5/ENQ response mode (1 port connection)
Printer sends ACK when printer receives print request from host and Printer Status is returned
when printer receives status request command (ENQ: 05H) from host.