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 LBP712Cdn uses Canon Genuine Toner, Cartridge 040 CMYK Standard (CMY Yields 5,400 Sheets / K Yields 6,300 Sheets, ISO/IEC Standard)