Xerographic office photocopying was introduced by Xerox in the 1960s, and over the following 20 years it gradually replaced copies made by Verifax, Photostat, carbon paper, mimeograph machines, and other duplicating machines.
静电复印厅介绍了富士施乐在20世纪60年代，并在随后的20年里逐步取代它的副本所作的Verifax ，影印，碳纸，油印本机，和其他复印机。