Green Toner Supply&trade; Compatible Ink Cartridge Replacement for HP 02 (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 660 Pages at 5% Coverage Green Toner Supply Compatible Ink Cartridge Replacement for HP 02 works with the following machines: HP Photosmart 3110 All-in-One, HP Photosmart 3210v All-in-One, HP Photosmart 3210 All-in-One, HP Photosmart 3210xi All-in-One, HP Photosmart 3310 All-in-One, HP Green Toner Supply cartridges were professionally manufactured in an ISO 9002 factory