For the following Printers:
Brother MFCJ6510DW Brother MFCJ6910DWCompatible LC77XL Cyan, Magenta and Yellow cartridges plus LC77XLBK Black. XL sized cartridges as a bundle for the Brother: MFCJ6510DW, MFC6910DW A3 Multifunction PrintersThe black cartridge has a life of approximately 2400 pages and each colour 1200 pages @ 5%.