Brother RJ-4040 - Manual (Page 25)

ESC/P Command Reference
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4. Control Code List
Printer control commands (Refer to section 5.7 Printer control commands .)
ASCII Code Binary Code Description
ESC @ 1B 40 Initialize (defaults)
Graphics commands (Refer to section 5.8 Graphics commands .)
ASCII Code Binary Code Description
ESC * 1B 2A Select bit image.
ESC K 1B 4B 8-dot single-density bit image
ESC L 1B 4C 8-dot double-density bit image
ESC Y 1B 59 8-dot double-speed double-density bit image
ESC Z 1B 5A 8-dot quadruple-density bit image
Advanced commands (Refer to section 5.9 Advanced commands .)
ASCII Code Binary Code Description
ESC i B 1B 69 42 Barcode
ESC i Q 1B 69 51 2D barcode (QR Code)
ESC i P 1B 69 50 Specify QR Code version
ESC i V 1B 69 56 2D barcode (PDF417)
ESC i D 1B 69 44 2D barcode (DataMatrix)
ESC i M 1B 69 4D 2D barcode (MaxiCode)
ESC i G 1B 69 47 Specify font setting
ESC i F 1B 69 46 Print downloaded data
ESC i a 1B 69 61 Switch command mode
ESC i S 1B 69 53 Status information request
ESC i L 1B 69 4C Specify landscape orientation
ESC i C 1B 69 43 Specify cutting