Canon has poured all the Know How of its extraordinary history of developing innovative office machines into each of its copiers, printers, and networked office systems. The same superiority of design and manufacture goes into all of the Canon-branded consumable imaging supplies and parts for this equipment. Canon 7621A001AA compatible black laser toner cartridge designed for the Canon Laser Class 710 / 720i / 730i Laser toner Fax machines (4, 500 page yield)