The LEXMARK C734A1KG Black Toner Cartridge is a genuine product by Lexmark designed for laser print technology. This sealed box contains one black toner cartridge compatible with Lexmark printers such as X734, C736, X736, C734, and X738. It is an original unit suitable for regular use in printing documents and images with crisp and professional results. Perfect for enhancing the performance and efficiency of your Lexmark printer, this black toner cartridge ensures reliable and high-quality printing output.