Compatible HP models: Color LaserJet: 5500, 5500 dn, 5500 dtn, 5500 hdn, 5500 n, 5550, 5550 dn, 5550 dtn, 5550 hdn, 5550 n. . Comparable to the HP 645A (C9730A) cartridge. Yields up to 13,000 pages. Remanufactured – made from quality recovered cartridges, helping you save resources, reduce waste and potentially save money. Recycling solution – designed to encourage recycling, helping you divert materials from landfill.