LxTek Remanufactured Ink Cartridge Replacement for HP 61XL 61 XL to use with Envy 4500 5530 5535, DeskJet 2540 1010, OfficeJet 4632 4634, Shows Accurate Ink Level (High Yield, 2 Black|1 Tri-Color) LxTek Remanufactured ink cartridges for HP 61 XL have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience. Page Yield: 480 Pages per Black and 330 Pages per Tri-Color Cartridge at 5% coverage Compatible Printers: HP Envy 4500, Envy 5530, OfficeJet 4630, DeskJet 2540, DeskJet 1010, Envy 5535, Envy 4502, DeskJet 1512, DeskJet 1000, OfficeJet 2620, Envy 5534, DeskJet 1510, DeskJet 3510, DeskJet 3000, DeskJet 1055, DeskJet 3054 || DeskJet: 1050, 1051, 2050, 1056, 2050, 2510, 2512, 2514, 2541, 2542, 2543, 2544, 3050, 3050A, 3051A, 3052A, 3056A, 3511, 3512, 3516 || Envy: 4501, 4503, 4504, 4505, 5531 || OfficeJet: 4632, 4634, 4635 Package Contents: 3 Pack (2 Black / 1 Tri-color) remanufactured ink cartridge Replacement for 61XL Warranty: 24 months / Shelf Life: 24 months. Any questions, please feel free to contact us for technical support, replacement or refund.