HP Q7581A (HP 503A) Cyan Toner Cartridge is designed to perform in the HP Color LaserJet 3800, 3800dn, 3800dtn, 3800n, CP3505, CP3505dn, CP3505n, CP3505x.
HP Q7583A (HP 503A) Magenta Toner Cartridge is designed to perform in the HP Color LaserJet 3800, 3800dn, 3800dtn, 3800n, CP3505, CP3505dn, CP3505n, CP3505x.
HP Q7582A (HP 503A) Yellow Toner Cartridge is designed to perform in the HP Color LaserJet 3800, 3800dn, 3800dtn, 3800n, CP3505, CP3505dn, CP3505n, CP3505x.