Know your gear
Yield: 5600 pages
Genuine Sharp FO-45ND ( FO45ND ) Black Laser Toner Cartridge / Developer guaranteed to perform with the Sharp FO-4500 / FO-5500 / FO-5600 / FO-6500 / FO-6550 / FO-6600 Laser Toner Fax Machines (5,600 pages yield)