These printers use the Q3681C cartridge:
Click On a Printer to View it's Cartridges
          HP LaserJet 9055 MFP
          HP LaserJet 9065 MFP
          Konica DiALTA DI-551
          Konica DiALTA DI-5510
          Konica DiALTA DI-7210
          Konica-Minolta 7255-55PPM
          Konica-Minolta 7272
          Konica-Minolta 7272-72PPM
          Konica-Minolta Bizhub DI-5510
          Konica-Minolta Bizhub DI-7210
          Konica-Minolta DI 551
          Konica-Minolta DI 650
          Konica-Minolta Dialta DI-551
          Konica-Minolta Dialta DI-650
          Konica-Minolta Dialta DI-5510
          Konica-Minolta Dialta DI-7210
          Minolta 7255-55PPM
          Minolta 7272
          Minolta 7272-72PPM
          Minolta Bizhub DI-5510
          Minolta Bizhub DI-7210
          Minolta Di 551
          Minolta Di 650
          Minolta Dialta DI-551
          Minolta Dialta DI-650
          Minolta Dialta DI-5510
          Minolta Dialta DI-7210