EX CE278A 78A Canon 128 Extra High Yield Black Laser Printer Toner Cartridge for Hp - Compatible with Hp All-in-one Printers Laserjet Pro M1536dnf Hp Laser Printers, CANON Image Class Mf4570dn EX Extended Toners will print anywhere from two hundred to a thousand more pages than an HP original cartridge depending on your usage Up To 3,000 Pages at Industry Standard 5% Yield Replaces HP CE278A and Canon 128 Cartridge - 100% Pre-tested! Save Up To 75% of Cost When Compared To OEM Cartridge - Print More! Save More! Free Shipping in the Continental US