Patent ID: 7336922

Claim:
A sheet post-process apparatus, comprising: a plurality of rollers which receive and convey sheets conveyed from an MFP main body; a waiting tray which is provided in the course of a conveying path, and makes standby the sheets conveyed from the rollers in the case where a post-process is required; a conveying mechanism which causes the sheets made standby on the waiting tray to be dropped and moved by self-weight; a processing tray which receives the sheets dropped and moved from the waiting tray and the sheets conveyed from the conveying path without intervening with the waiting tray, before carrying out a post-process; a post-process mechanism which carries out a post-process on a bundle of sheets aligned on the processing tray; a sheet-conveying mechanism which conveys the post-processed bundle of sheets from the processing tray; and a storage tray which stacks the bundle of sheets conveyed, wherein a size relevant to a widthwise direction of the sheets on each of the waiting tray and the processing is smaller than a width of the sheets, and wherein the waiting tray is composed of at least a pair of waiting tray parts for supporting both sides of the sheets and the waiting tray parts slide and move to drop the sheets onto the processing tray.