The original Xerox 106R03528 is the extra high capacity black cartridge of its range. This  black laser toner cartridge is compatible with the Xerox VersaLink C400  and just a few more high end colour printers.As an extra high capacity toner cartridge the genuine Xerox 106R03528 offers the very lowest cost per page and is ideally suited to heavy users. Although the price tag is substantially higher than the other black Xerox toner cartridges compatible with your printer, the 106R03528 is a fine investment.