ESTON Re-Manufactured Ink Cartridge Replacement for HP 61XL 61 XL Ink for Envy 4500 4501 4502 4504 5530 5531 5535 High Yield (Black,4-Pack) Packing List: 4 Black 61XL Remanufactured Ink Cartridge (Non-OEM) Ink capacity/Page yield: 600 pages for each Black For use in the following printers: Deskjet 1000, 1010, 1050, 1051, 1055, 1056, 1510, 1512, 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2543, 2544, 3000, 3050, 3050A, 3051A, 3052A, 3054, 3056A, 3510, 3511, 3512, 3516, & ENVY 4500 e-All-in-One, 4501, 4502, 4504 e-All-in-One, 5530 e-All-in-One, 5531 e-All-in-One, 5535 e-All-in-One, & OfficeJet 2620, 4630, 4632, 4635, 8040, & 8045 GUARANTEED : If for any reason you are not satisfied with our products, you can return or exchange within 2 weeks of receiving shipment. Your purchase is covered by a 1 year replacement warranty if the product doesn't work well.