Toshiba TFC425UM (T-FC425UM) Magenta Toner Cartridge is designed to perform in the Toshiba e-Studio 3525AC, e-Studio 4525AC, e-Studio 5525AC, e-Studio 6525AC.
Toshiba TFC425UY (T-FC425UY) Yellow Toner Cartridge is designed to perform in the Toshiba e-Studio 3525AC, e-Studio 4525AC, e-Studio 5525AC, e-Studio 6525AC.