Speedy Inks Compatible Ink Cartridge Replacement for Canon CLI251XL 6448B001 High-Yield (Black) For use in Canon: Pixma MX922, MG5420, MG6320, MX722, iP7220, MG5422, MG7120, MG6420, MG5520, iP8720, iX6820, MG5522, MG7520, MG5620, MG6620 Page Yield: 660 Shelf Life: 36 Months Color: HY Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty