For use in the following printers: HP Deskjet 1000, 1010, 1050, 1050A, 1510, 1512, 1514, 2050, 2054, 2510, 2512, 2514, 2540, 2542, 2543, 2544, 2545, 2547, 2548, 2549, 3000, 3050, 3052, 3054, HP ENVY 4500, 4502, 4503, 4504, 4507, 4508, 5530, 5532, HP Officejet 2620, 2622, 2624, 4630, 4632, 4634, 4636.