Brother QL-720NW - Manual (Page 95)

ESC/P Command Reference
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5. Control Command Details
(1) Error information 1
Flag Mask Meaning
Bit 0 01h “No media” error
Bit 1 02h “End of media” error
Bit 2 04h “Cutter jam” error
Bit 3 08h Not used
Bit 4 10h Printer in use
Bit 5 20h Printer turned off
Bit 6 40h Not used
Bit 7 80h Fan motor error
(2) Error information 2
Flag Mask Meaning
Bit 0 01h “Replace media” error
Bit 1 02h “Expansion buffer full” error
Bit 2 04h Communication error
Bit 3 08h Image error occurred
Bit 4 10h “Cover open” error
Bit 5 20h Not used
Bit 6 40h Leading edge detection error
Bit 7 80h System error
(3) Media type
Media Type Value Remarks
None 00h No media
Continuous length tape 0Ah
Die-cut label 0Bh
(4) Status type
Status Type Value Remarks
Reply to status request 00h
(Not used) 01h
Error occurred 02h
(Not used) 03h - FFh