Method and apparatus providing consistent rotation for pages in a job in accordance with post-processing requirements

摘要

In the image forming system, there is provided an image processing section which determines a rotation standard for rotating image information so that an orientation of an image which is to be formed on an output medium on which prescribed post processing is not to be conducted agrees with an orientation of an image formed on an output medium on which prescribed post processing is to be conducted, if a booklet division mode is set by the setting section, and which conducts rotation processing on the image information based on the rotation standard.