Canon 056 Original Toner Cartridge, Black, Laser, High Yield, 21000 Pages (CNMCRG056H) EachDesigned by Canon engineers and manufactured in Canon facilities, this genuine toner cartridge is developed using precise specifications so you can be confident that your Canon device will produce high quality results consistently in your Canon imageClass MF440 Series and LBP320 Series. The Single Cartridge System combines the toner and drum into the same unit, which means you only have one consumable to replace. High capacity cartridge yields