Patent ID: 7413181

Claim:
A sheet finishing apparatus, comprising: a conveying member configured to convey recording media; a tray configured to receive the recording media conveyed by the conveying member, the tray comprising, a holding member configured to hold the recording media therein and to contact a first edge of the recording media such that the recording media is positioned, a rotatable moving member configured to contact the recording media such that the holding member abuts against the recording media, a discharging member configured to discharge the recording media stacked by the holding member, a protruding member mounted on the discharging member and configured to contact a second edge of the recording media such that the recording media is positioned; and a controller configured to cause the protruding member to position the recording media by contacting the second edge of the recording media at a time before the recording media falls on a rear fence of the holding member that is configured to receive the recording media and forcing the recording media downward to contact the rear fence.