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Status4 return
This communication protocol is designed for the purpose of monitoring printer status in the host, and
returns Status from the printer by receiving request command from the host.
Status is returned immediately after receiving request command.
In this protocol, receive mode is set to multiple buffer.
Connection diagram
I/O signal
Timing chart
Parent topic RS-232C
Connection diagram
IMPORTANT: Depending on the host used, it may need to loop CS and RS (constantly maintain at
“High” level) on the host side. For more details, refer to your host computer documentation.
Parent topic Status4 return
I/O signal
Pin No. Signal I/O Description
2 RD Input Data transferred from the host to the printer
3 SD Output Data transferred from the printer to the host
5 SG - Signal ground
Parent topic Status4 return