ABSTRACT
X xerography An electrostatic process for reproducing documents. Many technical approaches have been used but the most common is to use a photoconductive layer. The optical image to be copied is formed on the surface of the layer which is then electrostatically charged by corona discharge. The charge leaks off at the optically exposed regions, forming an electrostatic image; colored particles (toner) are then deposited at the charged regions and the final image is formed.
