These printers use the TFC505UK cartridge:
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