Method and apparatus for sheet finishing capable of performing an effective jogging process

摘要

A sheet finishing apparatus including a sheet tray, a pair of jogging fences, and a case. The sheet tray stacks a plurality of sheets that have been sent from an image forming apparatus. The pair of jogging fences hold the sheets stacked in the sheet tray and jog the sheets in a transverse direction relative to a sheet transferring direction. The jogging fences are moved toward and away from each other. The case encloses the apparatus and includes a plate covering the sheet tray from an operator accessible side. The plate has an opening. When the pair of jogging fences is expanded to outward limits, one of the pair of jogging fences at the operator accessible side is passed by the plate through the opening and located at an outside position relative to the plate.