The NEW Copystar TK-719 Black Toner Kit is a genuine/original product by Kyocera specifically designed for use with Kyocera printers. This black toner kit is compatible with the Kyocera models CS-3050 and 4050, ensuring high-quality printing results every time. With this toner kit, you can trust that your documents will be printed with crisp, clear text and images, making it ideal for both personal and professional use. Upgrade your printing experience with this reliable and efficient black toner kit from Kyocera.