Green Toner Supply Compatible Toner Cartridge Replacement for Dell 5100 (Black) Green Toner Supply offers LIFETIME WARRANTY against manufacture defects Green Toner Supply offers 2 Years Money Back Guarantee on Manufacture Defects Print Yield: Up to 10,000 Pages at 5% Coverage Green Toner Supply Compatible Toner Cartridge Replacement for Dell5100 works with the following machines: 5100cn Color Laser Printer Green Toner Supply cartridges were professionally manufactured in an ISO 9002 factory