These printers use the T-4530 cartridge:
Click On a Printer to View it's Cartridges
          Toshiba e STUDIO 205 SE
          Toshiba e STUDIO 205 L
          Toshiba e STUDIO 255
          Toshiba e STUDIO 255 SE
          Toshiba e STUDIO 305
          Toshiba e STUDIO 305 SE
          Toshiba e STUDIO 355
          Toshiba e STUDIO 455