Keep your imageCLASS MF445dw and imageCLASS LBP226dw Wireless Laser Printers up and running with the 057 Standard-Capacity Black Toner Cartridge from Canon. The toner cartridge is developed using precise specifications, so your printer will consistently produce high-quality results. Additionally, this single-cartridge system combines the toner and drum into the same unit and yields approximately 3100 pages.