622
(1) ENQ (Status request)
Host This product
Create status information
ENQ (05H)
Send
Write
Receive
Read
STX xxA000000
・・・・
ETX
Send buffer
STX xxA000000
・・・・
ETX
Transmission interval
time (5ms or more)
(2) CAN (Cancel request)
Host
This product
ACK (06H) Printer without error
NAK (15H) Error in printer
Cancelling
CAN (18H)
Send
Write
Receive
Read
ACK
Send buffer: ACK (06H)
Transmission
intervals
(500 ms ormore)
The above values are target values for queuing time until host reads ACK from printer. It varies by
the interface type, setting of communication interface and communication environment.
The rough standard for transmission interval shall be 900 ms or more when you request cancel
(18H) when receive buffer is near full.
Return status of Status 3
Return status of Status 4
Return status of Status 5
Parent topic Communication protocol