#564XL. HP. Deskjet 3520, 3521, 3522, 3526, Officejet 4620, 4622, Photosmart 5510, 5511, 5512, 5514, 5515, 5520, 5522, 5525, 6510, 6512, 6515, 6520, 6525, 7510, 7515, 7520, 7525, B8550, C6340, C6350, C6380, D5445, D5460, D7560, eStation All-in-One, Plus All-in-One, Premium All-in-One, Premium Fax All-in-One, Premium TouchSmart All-in-One. Yields 550 pages. High yield. Black.