These printers use the TYPE 461-3 cartridge:
Click On a Printer to View it's Cartridges
          PitneyBowes-Imagistics DL 460
          PitneyBowes-Imagistics DL 550
          PitneyBowes-Imagistics IM 4720
          PitneyBowes-Imagistics IM 5520
          Imagistics DL 460
          Imagistics DL 550
          Imagistics IM 4720
          Imagistics IM 5520