Abstract: A sheet is conveyed by a conveyor belt which attracts the back side of the sheet under vacuum along a conveyance passage including a bent portion. An air blower is provided to blow an air flow against the upper surface of the conveyor belt at the bent portion of the conveyance passage so that the sheet is bent along the surface of the conveyor belt.

Abstract: A discharged-sheet table device mounted to an image forming apparatus near the sheet discharging port for receiving a recorded sheet discharged from the sheet discharging port of the image forming apparatus.

Abstract: An electric stapler in which sheets conveyed along the sheet guide surface are staplied in a stapling position on a sheet guide surface, the electric stapler comprises: a switch; a staple unit for stapling the sheets in the stapling position in response to the switch; a first actuator protruding in part from the sheet guide surface, wherein, when the first actuator brings into contact with more than one place of one edge side of the sheets conveyed beyond the stapling position and moved by the sheets being conveyed, the first actuator actuates the switch so as to operate the stapling unit; and a second actuator positioned upstream the first actuator, a part of the second actuator selectively projecting and retracting with respect to the sheet guide surface, wherein, when the second actuator brings into contact with predetermined lengths of different edge sides constituting a corner portion of the sheets being conveyed beyond the stapling position while the part protruding from the sheet guide surface and move