Notice: Kindly confirm your printer model before purchg. ejet offers a 2-year warranty, any messages will be responded within 12 hours. Eco-Friendly with Premium Printing: All ejet for hp 61xl, 61xl hp ink cartridges are recycled from the OEM hp 61, 61 hp ink cartridges and are tested rigorously to ensure smooth, crisp, and vivid printing. Latest Smart Chips: ejet for hp 61 ink cartridge combo pack are equipped with upgraded smart chips to ensure each ink cartridge will be 100% recognized by compatible printers quickly and display accurate ink level, so you can enjoy worry-free and efficient printing. Perfect Compatibility: This printer ink 61xl black and color work for DeskJet 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, 254, 2543, 2544, 2545, 2546, 2547, 2548, 2549, 3000, 3050, 3050A, 3051A, 3052A, 3054, 3054A, 3055A, 3056A, 3057A, 3059A, 3060, 3510, 3511, 3512, 3516. Perfect Compatibility: This printer ink 61xl black and color work for HP Envy 4500, 4501, 4502, 4503, 4504, 4505, 4507, 4508, 4509, 5530, 5531, 5532, 5534, 5535, 5539; OfficeJet 4630, 4631, 4632, 4634, 4635, 4636, 4639, 2620, 2621,2622, 2623. High Page Yield: Up to 712 pages for hp 61XL black ink cartridge & 429 pages for hp 61XL color ink cartridge (Letter A4, 5% coverage). Package Contents: You will get ejet 61XL ink cartridges replacement for HP 61 ink (CH561WN,CH563WN,CR259FN). Includes 1 * 61XL Black Ink Cartridge, 1 * 61XL Color Ink Cartridge, 1 * User Guide.