The Xerox 106R01439 Black High-Capacity Toner Cartridge is a genuine, original product from Xerox. This toner cartridge is designed specifically for black printing and has a high capacity, ensuring long-lasting use. The model number CT201278 signifies its compatibility with various Xerox printers, providing reliable and professional printing results. This product is a genuine OEM option for those looking to maintain the quality and performance of their Xerox printer.