Canon 1389A003. Black toner page yield: 10600 pages, Printing colours: Black, Quantity per pack: 2 pc(s)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. Naturally, no one makes better parts and supplies for Canon products than Canon. Using genuine Canon parts and supplies is your best insurance against equipment damage, and possibly voiding your equipment warranty.