Copy apparatus with pattern writing capability

摘要

A copying apparatus having the capability to write optional pattern information on a copy sheet. The apparatus comprises an original glass plate, a photosensitive drum, plural devices for forming copied image of the original document on the photosensitive drum, an editor 900 for inputting arbitrary coordinates data, an eraser including an LED array, a control circuit for controlling the eraser in accordance with the input data, and a transfer device for transferring the copied image and the pattern image on the same surface of copy sheet.