Open box, sealed, unused The 1PK TK-5197 BK Replacement Toner Cartridge in Black is specifically designed for use with the TASKalfa 306ci, 307ci, and 308ci printers. This high-quality toner cartridge ensures crisp and professional-looking black prints, making it ideal for various printing needs. With a reliable model like TK-5197, you can trust that your documents and images will be printed accurately and efficiently.