Brother RJ-4030 - Manual (Page 24)

Raster Command Reference
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4. Printing Command Details
(1) Error information 1
Flag Mask Definition
Bit 0 01h “No media” error
Bit 1 02h “End of media” error (only for die-cut labels)
Bit 2 04h Cutter jam (not used)
Bit 3 08h (Not used)
Bit 4 10h Printer in use
Bit 5 20h Printer turned off
Bit 6 40h High-voltage adapter (not used)
Bit 7 80h Fan motor error (not used)
(2) Error information 2
Flag Mask Definition
Bit 0 01h “Replace media” error (with a serial connecting)
Bit 1 02h “Expansion buffer full” error
Bit 2 04h Communication error
Bit 3 08h “Communication buffer full” error (not used)
Bit 4 10h “Cover open” error
Bit 5 20h Cancel key (not used)
Bit 6 40h
Media cannot be fed
(also when the media end is detected)
Bit 7 80h System error