High-yield toner cartridge offers a genuine advantage with quality, efficiency and reliability for your Canon imageClass LBP251dw, MF414dw or MF416dw. Canon's Single Cartridge System provides excellent print quality and can help extend the life of the machine. The Single Cartridge System contains all the essential print elements that wear out with use. This easy-to-replace cartridge simplifies maintenance by combining the toner, drum and other parts into one unit.