Image forming apparatus and image scanner

摘要

An image forming apparatus receiving image data and forming an image on a sheet based on the image.data received, comprising a memory means for storing image data related to a fixed image and a judgment means for judging the presence or absence of the confidentiality of the received image data, and an image based on the image data and the fixed image are formed on one side and another side of a sheet respectively when it is judged that the image data have confidentiality.