SHEET POST-PROCESSING APPARATUS AND SHEET POST-PROCESSING METHOD

摘要

To provide a sheet post-processing apparatus for stapling and ejecting sheets conveyed from an image forming apparatus. The sheet post-processing apparatus comprises a processing tray to load the sheets conveyed from the image forming apparatus and a stapler to staple a sheet bundle of the sheets loaded on the processing tray, and the stapled sheet bundles are led to a sheet receiving tray and are ejected so that the stapling positions of the plurality of sheet bundles loaded on the sheet receiving tray are shifted from each other at each upper and lower stages.