These printers use the TFC505UC 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