Compatible HP C9732A 645A Yellow. For the following machines: Color LaserJet 5500, Color LaserJet 5500dn, Color LaserJet 5500dtn, Color LaserJet 5500hdn, Color LaserJet 5500n, Color LaserJet 5550, Color LaserJet 5550dn, Color LaserJet 5550dtn, Color LaserJet 5550hdn, Color LaserJet 5550n. With a yield of 12000 pages