Brother RJ-4030 - Manual (Page 44)

Raster Command Reference
- 40 -
6. Flow Charts
6.7 Error flow for serial connection
Computer (host)
Status information request
Data received.
Printing
Displaying printing
Displaying sending Sending control codes
Sending raster data
Initialize The printer is
Initialized.
Sending a print command (print command with feeding (1A)
for the last page or print command (0C) for other page)
Phase change
“Printing” received.
Status ( “Error Occurred”)
READ
Printer
If there are no
problems with the
printer status
(media, etc.), the
data is transmitted.
If there is a problem,
an error appears.
READ
Status (response to status information
request) or an error is displayed
Status
(Phase change: “Printing”)
Error occurred
The status of the
printer (media, etc.)
is checked and a
response is sent.