These printers use the TFC505UC cartridge:
Click On a Printer to View it's Cartridges
          Toshiba e STUDIO 2505 AC
          Toshiba e STUDIO 3005 ACG
          Toshiba e STUDIO 3005 AC
          Toshiba e STUDIO 3505 AC
          Toshiba e STUDIO 4505 AC
          Toshiba e STUDIO 5005 ACG
          Toshiba e STUDIO 5005 AC