The NEW Genuine Sharp MXC40NTB MX-C40NTB Black Toner Cartridge is a high-quality, original product designed specifically for Sharp printers. This black toner cartridge is compatible with models such as Sharp MX C311, C312, C400P, C401, and C4. With laser print technology, this genuine Sharp toner cartridge ensures crisp and clear black prints for all your printing needs. Perfect for professionals and home users looking for reliable and professional results.