Speedy Inks Compatible Toner Cartridge Replacement for HP 504A (Magenta) For use in: HP Color LaserJet CP3525dn, HP Color LaserJet CP3525n, HP Color LaserJet CP3525x, HP Color LaserJet CP3525, HP Color LaserJet CP3530, HP Color LaserJet CM3530, HP Color LaserJet CM3530fs Page Yield: 7,000* Shelf Life: 24-36 Months Color: Magenta The use of aftermarket replacement cartridges and supplies does not void your printer's warranty