Kogain Remanufactured for HP 901 901XL Ink Cartridges 2 Black, High Yield Work with HP OfficeJet 4500 G510a J4680 J4580 J4550 J4540 J4500 J4524 J4624 J4640 J4660 J4680c Printer

(NON OEM) Compatibility printer: HP OfficeJet 4500 G510a HP OfficeJet 4500 G510g HP OfficeJet 4500 G510n HP OfficeJet J4500 HP OfficeJet J4524 HP OfficeJet J4540 HP OfficeJet J4550 HP OfficeJet J4580 HP OfficeJet J4624 HP OfficeJet J4640 HP OfficeJet J4660 HP OfficeJet J4680 HP OfficeJet J4680c The Best for you: 100% Compatibility: Kogain remanufactured HP 901XL ink cartridges are recycled from original HP 901XL. 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.