For HP Deskjet 1000, 1010, 1012, 1050, 1055, 1056, 1510, 1512, 1514, 1051, 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2544, 3000, 3050, 3051, 3052, 3054, 3056, 3510, 3511, 3512, HP ENVY 4500, 4500, 4501, 4502, 4504, 4505, 5530, 5531, 5532, 5534, 5535, 5539, HP Officejet 2620, 2621, 4630, 4632, 4635. Cartridge yield (up to) : 480 pages. Black. 70% recycled content, 66% post-consumer recycled content.