An automatic printing apparatus includes an image formation member for forming a master which may be repetitively subjected to the process of reproducing an original image, a rotatable drum capable of holding the image formation member thereon, an optical device for projecting therethrough the original image upon the image formation member on the rotatable drum, a heating member for heating the image formation member on the rotatable drum so as to form a chargeable image pattern corresponding to the image formed on the image formation member by the optical device, a charging device for forming an electrostatic image corresponding to the original image on the master formed by the optical device and the heating member, a developing device for developing the electrostatic image into a visible image, and a device for transferring the visible image from the master onto a recording medium.