Colour: Black Cartridge yield (approx.): 250 pages HP Printer compatibility: HP Deskjet 3520s. HP Officejet 4610, 4620, 4622. HP Photosmart 5510, 5512, 5514, 5515, 5520, 5525, 6510, 6512, 6515, 6520, 6525, 7510, 7515, 7520, 7525, B8550, C6340, C6350, D7560, C510, B209, B210, C309, C310, C410.