Toshiba T-5070P Black Original & Genuine Toner Cartridge Supplies are specifically designed for the following Models: Toshiba e-Studio 257, 307, 357, 457 & 507 Photocopier Machines. It has 700gm weight and maximum yield ± 30000 pages @ 5% average coverage & which Gets a great value for everyday business Coping / Printing.