Speedy Inks Compatible Ink Cartridge Replacement for Canon 8050B001 / PGI-255XXL Extra High Yield (Black, 3-Pack) Page Yield 300 For use in Canon: PIXMA iX6820, PIXMA MG5520, PIXMA MG5522, PIXMA MG6420, PIXMA MG7120, PIXMA MX722, and PIXMA MX922 Shelf Life: 24-36 Months Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty