The Xerox 008R08101 Black Waste Toner Cartridge Replacement is designed for Xerox AltaLink printers, including models such as AltaLink C8155, C8145, C8130, B8155, C8135, and B8145. This genuine/original cartridge is black in color and has dimensions of 2.6 inches in height, 21.1 inches in length, and 6.1 inches in width. Made by Xerox, a trusted brand in printing supplies, this cartridge ensures high-quality printing performance and compatibility with your Xerox printer.