Pci reman alt.For hp c4197a (hp c4197a) 110 volt fuser unit kit 50k/color 100k/black for hp color laserjet printers: hp 4500 hp 4500dn hp 4500n hp 4550 hp 4550dn hp 4550hdn hp 4550n this is a remanufactured cartridge made in the usa upc 84