Green Toner Supply&trade; Compatible Ink Cartridge Replacement for HP 564XL (Photo Black, 2-Pack) 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 4,500 Pages at a 5% Coverage Green Toner Supply Compatible Ink Cartridge Replacement for HP564XL works with the following machines: HP Officejet 4620 e-All-in-One Printer, HP Deskjet 3522 e-All-in-One Printer, HP Deskjet 3520 e-All-in-One Printer, HP Photosmart 5522 e-All-in-One Printer, Green Toner Supply cartridges were professionally manufactured in an ISO 9002 factory