3.5
Printer Status 4 Return
This communication protocol is designed for the purpose of controlling print status in the host, and the printer returns the status by receiving
request command from the host.
The printer returns the status after receiving the status request command.
This printer's receive mode in this protocol is the multiple-receive.
3.5.1 Connecting diagram
1) DB-9P
RD
SD
SG
*Depending on the model of the host, CS and RS may need to be looped (always keep "High") at the host.
Please confirm the user's guide of the host system.
3.5.2 Explanation of input/output signal
Pin
number
2
3
5
Printer
2
3
5
Signal
Direction Description
name
RD
Input
Data from the host to the printer
SD
Output
Data from the printer to the host
-
SG
Signal ground
Host
3
SD
2
RD
5
SG
522