Our remanufactured Hewlett Packard CF031A toner cartridge is a high capacity cartridge compatible with a small selection of HP laser printers including the HP Colour LaserJet Enterprise CM4540 MFP. Made using a combination of refurbished HP original parts and brand new high quality compatible components, the remanufactured HP CF031A is a great money saver.Offering an impressive 12,500 estimated prints the HP 646A toner cartridge puts the toner it contains to good use. Despite its high capacity and page yield the 646A works with your printer to offer top quality results for professional and home use alike.