Remanufactured Toner black for use in: HP LaserJet Pro M521 DW, M521 DN, LaserJet Enterprise P3015 D, P3015 DN, P3015 , P3015 X, LaserJet Enterprise 500 MFP M525 DN, M525 F, M525 C Recycling Toner black with a yield of: 6000 Pages