Replaces the Following Manufacturer Numbers: HP CB436A (HP 36A). Compatible with the Following Printer Models: HP LaserJet M1522, HP LaserJet M1522N, HP LaserJet M1522N MFP, HP LaserJet M1522NF, HP LaserJet M1522NF MFP, HP LaserJet P1505, HP LaserJet P1505N.