An electrostatic photographic copying machine includes a photosensitive body having a photosensitive layer on its surface, a charging apparatus, a developing device and a transfer device arranged along a moving passage of the photosensitive body. An optical system projects an image of an original onto the surface of the charged photosensitive body, and a fixation apparatus fixes a transferred image onto copying paper. The electrostatic photographic copying machine is provided with an original paper inserting port, an original paper carrying passage, a first original paper discharging port for discharging the original paper in a forward direction, a second original paper discharging port for discharging the original paper in a rearward direction, a copying paper supplying apparatus, copying paper carrying passages, a first copying paper discharging port for discharging the copying paper in a forward direction, a second copying paper discharging port for discharging the copying paper in a rearward direction, and changing mechanism for changing the directions of movement of the original paper and the copying paper to the forward and rearward directions thereof, respectively.