This is a compatible or remanufactured Canon 121 toner cartridge guaranteed to perform with Canon Laser Printers. It replaces the genuine (OEM) Canon 121 toner cartridge. This toner cartridge is made with top quality components and new toner to give you the highest quality printouts every time. This compatible or remanufactured for Canon 121 toner cartridge is specially engineered to meet or exceed the highest standards of qualitreliability and page yields. Although this cartridge is not made or endorsed by Canon it offers customers an economical alternative to expensive OEM Canon 121 cartridges and comes with our satisfaction guarantee.