These printers use the TYPE 780 cartridge:
Click On a Printer to View it's Cartridges
          PitneyBowes-Imagistics 9056
          PitneyBowes-Imagistics 9070
          PitneyBowes-Imagistics C-950
          Kyocera-Mita DC 5685
          Kyocera-Mita DC 5690
          Kyocera-Mita DC 7090
          Monroe RL 956 DS
          Monroe RL 970 DS