MTI T1810 3-pack Compatible Black Toner Cartridge for Toshiba E-Studio 181, 182, 212, 242 printers 3 New Premium Compatible MTI Toner Cartridges Yield: Black Cartridge - 675 gr. ctg per ctn OEM Part #: T1810 If you do not receive your product in an MTI-branded box, it is not a genuine MTI product. Let Amazon know.