Pci reman alt.For hp rm1-2763-000 (hp rm1-2763) 110-volt fuser unit for hp laserjet 3600, 3600dn, 3800, 3800dn, 3800dtn, 3800n, cp3505, 3600n, cp3505dn, cp3505n, cp3505x (no exchange) this is a remanufactured cartridge made in the usa upc