The Kyocera TK-677 Black Laser Toner Kit is a genuine original product designed specifically for Kyocera printers. This unit is compatible with various Kyocera models including the Copystar CS2540, CS2560, and CS300i, as well as the Kyocera TASKalfa 300i. Made in China, this black toner kit ensures high-quality printing results with crisp and clear text and images. The TK-677 is a reliable and efficient solution for maintaining the performance of your Kyocera printer.