Finisher for an image forming apparatus

In a finisher including a plurality of trays for sequentially stacking papers driven out of an image forming apparatus and stapled or otherwise finished, at least one of said plurality of trays includes an end fence for positioning trailing edges of the papers and a stacking surface which are movable up and down in synchronism with each other, and another one of said plurality of trays has an end fence implemented by a wall of a body of said finisher.

In a finisher including a plurality of trays for sequentially stacking papers driven out of an image forming apparatus and stapled or otherwise finished, at least one of said plurality of trays includes an end fence for positioning trailing edges of the papers and a stacking surface which are movable up and down in synchronism with each other, said plurality of trays are movable up and down along guide rails extending in an up-and-down direction, and said guide rails each include at least one bent portion from interfering with a discharge of the papers toward said tray.

In a finisher including a plurality of trays for sequentially stacking papers driven out of an image forming apparatus and stapled or otherwise finished, at least one of said plurality of trays includes an end fence for positioning trailing edges of the papers and a stacking surface which are movable up and down in synchronism with each other, said plurality of guide trays are supported by a plurality of guide means positioned at a pitch L1 on said tray and engageable with guide rails extending in an up-and-down direction, and said guide rails each include at least one bent portion having a length L smaller than the pitch L1 at which said guide means are arranged on said tray having said end fence and said stacking surface.