These printers use the 24B6020 cartridge:
Click On a Printer to View it's Cartridges
          Lexmark XM 7155
          Lexmark XM 7155 X
          Lexmark XM7155 MFP
          Lexmark XM7155X MFP
          Lexmark XM 7163
          Lexmark XM 7163 X
          Lexmark XM7163 MFP
          Lexmark XM7163X MFP
          Lexmark XM 7170
          Lexmark XM 7170 X
          Lexmark XM7170 MFP
          Lexmark XM7170X MFP
          Lexmark XM 7263