Speedy Inks - Compatible Canon 137 9435B001 Laser Toner Cartridge For use in: Canon imageCLASS MF212w, Canon imageCLASS MF216n, Canon imageCLASS MF227dw, Canon imageCLASS MF229dw Page Yield: 2400 Shelf Life: 24-26 Months Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty