Genuine Brother LC436 BK (Black) ink cartridge For use with: Brother MFCJ4540DW, MFCJ4540DWXL, MFCJ4440DW, MFCJ4340DWXL, MFCJ5955DW, MFCJ6555DWXL, MFCJ6955DW  Yield: Approx 3000 Pages Colour: Black