This HP LaserJet 501A Q6470A toner print cartridge in black is the perfect fit for your printing needs. It is a genuine/original product that is compatible with HP printers, specifically the Color LaserJet 3600, 3600dn, 3600n, 3800, 3800dn, 3800dtn, 3800n, CP3505, CP3505dn, CP3505n, CP3505x.