Amazon.com: Original HP 503A Magenta Toner Cartridge | Works with HP Color LaserJet 3800, CP3505 Series | Q7583A : Office Products
Amazon.com: CS Compatible Toner Cartridge Replacement for HP 3800n Q7583A Magenta HP 503A Color Laserjet 3600n 3600dn 3800n 3800dn 3800dtn CP3505 CP3505n CP3505dn CP3505x : Office Products
Amazon.com: TCT Premium Compatible Toner Cartridge Replacement for HP 503A Q7583A Magenta Works with HP Color Laserjet 3800N 3800DN 3800DTN, CP3505 Printers (6,000 Pages) : Office Products