HP OfficeJet Pro 8000/8500 Remanufactured High Yield Cyan Inkjet Cartridge (HP 940XL)C4907AN.The hp C4907AN Ink Cartridge Cyan Remanufactured Ink Cartridges are replacement ink cartridges that are manufactured not by the OEM (Original Equipment Manufacturer) hp C4907AN Ink Cartridge Cyan, but by a third party. These cartridges will function and work in the same way that an OEM Ink Cartridge would. They are designed to replace the original cartridge and fit into your specific HEWLETT PACKARD printer. Not an OEM cartridge. C4907AN