These printers use the UG-5540 cartridge:
Click On a Printer to View it's Cartridges


          Panasonic PanaFax UF-7000
          Panasonic PanaFax UF-8000
          Panasonic PanaFax UF-9000
          Panasonic UF 7000
          Panasonic UF 8000
          Panasonic UF 9000
          Panasonic Workio DP-190-19CPM