Image processing apparatus and image processing system

An image processing system that includes an image forming apparatus for forming images onto print mediums and an image processing section that is connected to the image forming apparatus and has a document processing section for performing a creation and an editing of document data of a print object document on the basis of document size information;

• a instructing section for instructing to print the print object document;
• and a converting section for converting the document data into print use image data for sending to the image forming apparatus on the basis of the instruction,
• wherein the image processing apparatus comprises:
• an operation detecting section that detects operations of the document processing section;
• a document size obtaining section that obtains the document size information;
• a medium size obtaining section that obtains medium size information of print mediums set in the image forming apparatus;
• a comparing and judging section that compares the document size information and the medium size information that are obtained, and judges whether or not they are consistent;
• an inquiring section that inquires a user whether or not document size of the print object document is changed when the document size information and the medium size information are not consistent;
• an inputting section that inputs a change instruction of the document size;
• and
• a changing section that changes the document size information into the medium size information on the basis of the change instruction.