Xerox machine

a duplicator (trade mark Xerox) that copies graphic matter by the action of light on an electrically charged photoconductive insulating surface in which the latent image is developed with a resinous powder

帯電した光導電性絶縁面に光を当てることで図像を複写し、潜像を樹脂粉末で現像する複写機（商標名ゼロックス）