These printers use the 4518-826 cartridge:
Click On a Printer to View it's Cartridges
          Konica-Minolta 2900
          Konica-Minolta 3900
          Konica-Minolta Fax 3900
          Konica-Minolta Minoltafax 2900
          Konica-Minolta Minoltafax 3900
          Konica 2900
          Konica 3900
          Konica Fax 2900
          Konica Minoltafax 2900
          Konica Minoltafax 3900
          Minolta 3900
          QMS 2900