RIGHTINK Combo Set 4 Pack Replacement for HP 940XL 940 XL Ink Cartridges for HP OfficeJet Pro 8500, OfficeJet Pro 8500 Plus e - A910g, OfficeJet Pro 8500 Premier - A909n ect Contents:1 x Black 940XL + 1 x Cyan 940XL +1 x Magenta 940XL + 1 x Yellow 940XL Type:Remanufatured ink Cartridge (Not Made by HP Page Yield : Black up to 2200 , Color up to 1400 (5% coverage) Compatible Printers: HP OfficeJet Pro 8000, 8500, 8500 Wireless, 8500a, 8500a Plus, 8500A Premium, 8000 Enterprise Printer - A811a, 8000 Wireless Printer - A809n, 8500 Wireless All-in-One Printer - A909g, 8500 Premier All-in-One Printer - A909n, 8500 All-in-One Printer - A909a, 8500A Premium e-All-in-One Printer - A910n, 8500A Plus e-All-in-One Printer - A910g, 8500A e-All-in-One Printer - A910a. All products covered by a 100% satisfaction guarantee and 90 days warranty