Kogain Remanufactured for HP 61 61XL Ink Cartridges 1 Black + 1 Tri-Color, High Yield Work with HP Envy 4500 5530 5534, OfficeJet 2620 4630 4635, DeskJet 1000 1512 2510 2540 3050a 3510 Printer

(NON OEM) Compatibility printer: HP Envy: 4500, 4501, 4502, 5530, 5534, 5535 HP OfficeJet: 2620, 4630, 4632, 4635 HP DeskJet: 1000, 1050, 1051, 1055, 1056, 1510, 1512 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2543, 2544 3000, 3050, 3054, 3510, 3512, 3050a, 3051a, 3052a, 3056a The Best for you: 100% Compatibility: Kogain remanufactured HP 61XL ink cartridges are recycled from original HP 61XL. Working with your printer in 100% compatibility. Amazing quality: ink particle<20 nm, ink comes out smoothly without printhead blocked. No matter where you are, you always can get the perfect output. Quality measures: Each cartridges are tested and individually packed. No worry about any leakage on your finger and carpet. Warm hints: Please ignore these error message to go on to work: "Non-Original Cartridge", "Used", "Low Ink" or "Empty". Prompting the "Cartridge cannot be recognized" message, please reinstall it several times. Cleaning the printhead for twice can get a better output.