Higher compatibility: This 61XL ink cartridge uses the latest upgraded chip technology to ensure efficient compatibility and fast recognition with your printer, designed to meet standards for reliable performance What's in it: 1 New Extra Capacity Cartridge 61 pack of 2 ink cartridges: 2-pack 61 black ink cartridge replacement for hp 61 black ink cartridge Higher Page Yield: Up to 700 pages for printer ink 61 based on tests at 5% page coverage (Letter/A4) These 61 XL ink cartridges are compatible with DeskJet Series Printers: 1000 1010 1011 1012 1015 1050 1050A 1051 1055 1056 1510 1511 1512 1513 1514 1517 2000 2050 2050A 2050s 2054A 2510 2511 2512 2514 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 3000 3050 3050A 3051A 3052A 3054 3054A 3055A 3056A 3057A 3059A 3060 3510 3511 3512 3516 The ink 61XL black is compatible with Envy Series Printers: 4500 4501 4502 4503 4504 4505 4507 4508 4509 5530 5531 5532 5534 5535 5539 The 61XL black ink cartridge is compatible with OfficeJet Series Printers: 4635 4630 4631 4632 4634 4636 4639 2620 2621 2622 2623 Remanufactured Ink Cartridge Replacement for HP Ink 61 HP61 XL HP61XL (Black 2-Pack) Work with 4500 5530 4502 4501 5535 5531 4630 4635 4632 2620 2540 1000 1010 1510 3050A 2512 1512 2542 2544 3000 Printer