Premium Black Laser Printer Toner Cartridge for Canon E40 E-40 High Yield Quality Guaranteed - Compatible with Canon Copy Machines PC-140, PC-150, PC-160, PC-170, PC-300, PC-310, PC-320, PC-325, PC-40, PC-420, PC-425, PC-428, PC-430, PC-710, PC-720, PC-730, PC-735, PC-740, PC-745, PC-770, PC-775, PC-785, PC-790, PC-795, PC-920, PC-921, PC-940, PC-941, PC-950, PC-980, PC-981 Guaranteed Quality 4,000 Pages at Industry Standard 5% Yield Replaces Canon E-40 Toner Save Up To 75% of Cost When Compared To OEM Cartridge Free Shipping in the Continental US