TOSHIBA Toner Cartridge COMPATIBLE For Use In The Toshiba Machines E-Studio 170f EStudio 170f SMART DEDICATED CHIP: YES Compatible :For e-Studio 170F Fax Machine, For Laser Printers, Black, Toner Cartridge Toshiba: MFR Part # ZT170F This is NOT an OEM product. This cartridge will perfrom equal or better than the original.