Designed by Canon engineers and manufactured in Canon facilities, Genuine supplies are developed using precise specifications, so you can be confident that your Canon device will produce high-quality results consistently. The Single-Cartridge System combines the toner and drum into the same unit, which means you only have one consumable to replace. The MF8450c uses Canon Genuine Toner, Cartridge 117 CMYK (CMY yields 4,000 sheets / K yields 6,000, ISO/IEC standard).