ESTON 940 Printhead Replacement for 940 Printhead (1 PACK 940 Printhead C4901A) Packing List: 1 x Magenta/Cyan Printhead Ink Cartridge Page Yield: Black is 2,200 pages per cartridge. Color is 1,400 pages per cartridge. Printhead delivers professional-quality color documents Compatible With: Officejet Pro 8000 All-in-One; Officejet Pro 8500 All-in-One; Officejet Pro 8500A Premium; Officejet Pro 8000 Wireless; Officejet Pro 8500 Wireless; Officejet Pro 8000 Enterprise; Officejet Pro 8500 Premier; Officejet Pro 8500A e-All-in-One; Officejet Pro 8500A Plus; GUARANTEED : If for any reason you are not satisfied with our products, you can return or exchange within 2 weeks of receiving shipment. Your purchase is covered by a 1 year replacement warranty if the product doesn't work well.