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. High Capacity toner options keep up with your busy printing needs, so you have less replacement efforts and more time. The Single-Cartridge System combines the toner and drum into the same unit, which means you only have one consumable to replace. The Color imageCLASS LBP-622Cdw,Canon Color imageCLASS MF641Cw, Canon Color imageCLASS MF642Cdw,Canon Color imageCLASS MF644Cdw, Canon imageCLASS LBP-623Cdn, Canon imageCLASS LBP-623Cdw uses Canon GENUINE Toner, Cartridge 054 CMYK (CMY yields 1,200 pages / K yields 1,500 pages) (ISO/IEC standard).