LxTek Remanufactured Ink Cartridge Replacement for HP 61XL 61 XL to use with Envy 4500 5530 5534 5535 Deskjet 2540 1000 1010 1512 1510 Officejet 4630 2620 4635, High Yield(1 Black,1 Tri-Color, 2 Pack) LxTek Remanufactured ink cartridges for HP 61XL 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 4502 5530 5534 5535, OfficeJet 2620 4630, DeskJet 1000 1510 1512 2540 1010 1055 2547 2548 2549 3510 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 5532 5539 || OfficeJet: 4632, 4634, 4635 Package Contents: 2 Pack (1 Black / 1 Tri-color) remanufactured ink cartridge replacement for 61XL CH563WN CH564WN Warranty: 24 months limited / shelf life: 18-24 months. If you encounter any problem, please contact us for technical support, Replacement or Refund