Genuine Panasonic toner cartridges will make all the difference in enhancing the performance of your Panasonic KX printer. Designed to work as part of a single, harmonious printing system this black toner will deliver noticeably brighter, more intense colour for up to 4000 pages. Give it a go and you'll instantly see the improvement in quality and clarity of text and images. Choosing authentic Panasonic toner will make all the difference.