Speedy Inks - Remanufactured Replacement for HP 502A Q6473A Magenta Laser Toner Cartridge Page Yield: 4000* | *Average printer cartridge page yield in accordance with ISO 19755 For use in HP: Color LaserJet CP3505dn, Color LaserJet CP3505n, Color LaserJet CP3505x, Color LaserJet 3600, Color LaserJet 3600dn, Color LaserJet 3600n, Color LaserJet 3800, Color LaserJet 3800dn, Color LaserJet 3800dtn, and Color LaserJet 3800n Color: Magenta Shelf Life: 24-36 Months The use of aftermarket replacement cartridges and supplies does not void your printer's warranty