Flow For Setting Serial Connection Baud Rate - Brother RJ-4030 Software Manual

6.5 Flow for setting serial connection baud rate

Computer (host)
Printer waiting to
recover from 3000 ms
Sleep
Old baud rate
New baud rate
Specify baud rate
"Specify baud rate completed" status (normal status)
Status information request
Status (response to status information request)
* The request/response at the new baud rate are
simply to verify that communication is possible and
may be omitted.
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Raster Command Reference
Printer
6. Flow Charts