Brother TD-2120N - Manual (Page 43)

Raster Command Reference
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5. Flow Charts
5.5 Concurrent printing waiting for peeling/resumed flow for USB connection
Computer (host)
Printer
Status information request
Status (response to status information request)
Printing
Display ing printing
Printing of the 1st
page is actually not
finished, but the
“Printing
completed” status
and “Waiting to
receive” phase are
sent.
Sending control codes
Sending raster data
Initialize
The printer is
initialized.
Status
(Phase change:
“Printing”)
Sending a print command (print command with feeding (1A)
for the last page or print command (0C) for other pages)
Phase change
“Printing” received.
“Printing completed”
received.
Sending raster data
Sending raster data
Sending raster data
Status (“Printing completed”)
Status (Phase change:
“Waiting to receive”)
Sending control code/print data
Sending raster data
Sending raster data
Finishing process for
printing page 1
Sending data for page 2
Printing 1st page
Printing 2nd page
Sending raster data
READ
The status of the
printer (media, etc.)
is checked and a
response is sent.
If there are no
problems with the
printer status (media,
etc.), the data is
transmitted. If there
is a problem, an error
appears.
Displaying sending
READ
Data received.
Beginning printing
without waiting for
a print command
Status
(Phase change:
“Printing”)
Invalidate
The printer is
reset.
Paused and waiting
for peeling
Canceled waiting
for peeling
Notification (“Waiting for peeling”)