The Xerox 006R01509 Black Laser Toner Cartridge is a high-quality printer accessory designed for use with Xerox WorkCentre models 7525, 7530, 7535, 7545, and 7556. This genuine Xerox product ensures consistent, professional printing results with its black toner color and laser print technology. With a unit quantity of 1, this toner cartridge is easy to install and provides reliable, long-lasting printing performance for your Xerox printer.