The Copystar TK-8709K TK8709K Black Toner Cartridge is a genuine/original product by Kyocera designed for use with Kyocera and Kyocera Mita printers. This black toner cartridge is specifically compatible with the CS-6550ci model and utilizes laser print technology for high-quality printing results. With its reliable brand reputation and precise compatibility, this toner cartridge ensures optimal performance and consistent print quality for your printing needs. May have markings from previous shipping label on packaging.