Compatible with Hewlett Packard Color LaserJet 3700, 3700dn, 3700dtn, 3700n, 4550, 4550N, 4550DN, 4550HDN, 4600, 4600dn, 4600dtn, 4600hdn, 4600n, 9000HNF, 9000LMFP, 9085 MFP, 9500hdn (C8547A), 9500n (C8546A), DesignJet 5000, 5000PS, DesignJet 5500, 5500ps, 5500 uv, LaserJet 9500, Laserjet 9500n.