Compatible Printers: Compatible with Envy 4500 4502 5530 5534 5535 4501 4503 4504 4505 5531 OfficeJet 2620 4630 4632 4634 4635 Desk Jet 1000 1510 1512 2540 1010 1055 2547 2548 2549 3510 3054 1050 1051 2050 1056 2050 2510 2512 2514 2541 2542 3050 3050A 3051A 3052A 3056A. Package Contents: 2 Pack (2 Black) remanufactured ink cartridge replacement for HP 61XL 61 XL(1 x User Guide, 1 x Green Pre-paid Mailing Envelope for Empty Cartridge. ) CH563WN. Estimated Page Yield: 480 pages per 61 black ink cartridge.(depends on printer and usage). Accurate Ink level: Remanufactured 61XL ink cartridges are conveniently equipped with a smart chip to ensure full working compatibility with your printer. All LxTek ink cartridge replacements for 61XL 61 XL are strictly tested with industry quality control processes to perform superb results.