PURPOSE: To provide an image forming system capable of loading plural sets of copies of CF original while arranging with page order by the use of the staple tray of a finisher 1 and the both-side copy trays of a main body, eliminating the need for page order arrangement after copying is finished, automatically making plural sets of copies in page order arranged by means of a single operation in SADF mode and eliminating the need for stapling copies after copying one by one set.

CONSTITUTION: The image forming system consisting of a copying machine main body 100 and a circulation type automatic document feeder 200 placed on a contact glass of the relevant copying machine main body 100 and the finisher 501 arranged at the side of the copying machine main body 100 employs at least a part of a stock tray including a sheet ejection tray 6 so that plural sets of copies of CF documents can be arranged in page order.