The Genuine Xerox 106R03737 Black Extra High Capacity Toner is specifically designed for use with Xerox printers such as the C7020, C7025, and C7030. This high-yield toner cartridge is black in color and is compatible with laser print technology. With a genuine Xerox brand, customers can trust that this OEM product will deliver reliable and consistent printing results. The unit dimensions are 17 inches in length, 11.5 inches in width, and 2 inches in height, making it easy to handle and install in your Xerox printer.