ELECTROPHOTOGRAPHIC APPARATUS

An electrophotographic copying apparatus, especially suitable for use in offices, having an improved optical system for reducing the space between an original illuminating station and an exposure station while maintaining a required light path length, and having an original carriage disposed for horizontal sliding movement on top of the apparatus. The various copy paper processing devices of the apparatus are disposed about the optical system in a compact manner, wherein the processing devices include a device for electrically charging lengths of copy paper; a device exposing the charged paper; a device for developing the exposed paper; a device for fixing and drying the developed copies; and a device for cooling the apparatus. The optical system includes various conventional mirrors and an in-mirror lens arranged to provide a folded light path. Disclosed also is structure for loading, feeding, and cutting copy paper supplied within the apparatus in roll form.