Ink cartridge is designed for use with Hewlett-Packard Deskjet 3520 E All-in-One Printer, 3521 E All-in-One Printer, 3522 E All-in-One Printer, 3526; Officejet 4620; Photosmart 5510, 5511, 5512, 5514, 5515, 6510, 6512, 6515, 7510, 7515, D5445, D5460, C6340, C6350, C6380, D7560, B8550, E Station Plus, Premium, Premium Fax and Premium Touchsmart Series.