This Original HP 64X CC364XD Black Laserjet Toner Cartridge is designed to work with HP LaserJet P4015dn, LaserJet P4015n, LaserJet P4015tn, LaserJet P4015x, LaserJet P4515n, LaserJet P4515tn, LaserJet P4515x, LaserJet P4015, LaserJet P4515, LaserJet P4515xm printer models. By using the Original/OEM HP 64X CC364XD Laserjet Toner Cartridge you will always get clear, sharp text and graphics.The 64X CC364XD Yields up to 24,000 pages x2 per cartridge. This means that at 5% page coverage (the average print) you will be able to print 24,000 pages x2 per cartridge.