To prevent generation of the folding, a wrinkle or a jam in a printed sheet caused by paper quality or the like of the printed sheet, in a vertical stacker bundler having an accumulation part bundling the printed sheets in a laterally-falling pillar state by face-contacting and vertically arranging the respective printed sheets in a rising state, and having a printed sheet supply path continuously upward-carrying the printed sheets from below toward a vertical arrangement start position of the printed sheets in the accumulation part with the printed sheets in the rising state.

This stacker bundler is provided with a vibration roller 18 once applying the jumping vibration to the printed sheets 2 reaching a boundary part with printed sheet 2 lower end level vertically arranged in the accumulation part 3 as a reference, in the boundary part wherein the printed sheet supply path 7 is connected to the vertical arrangement start position 6 of the printed sheets 2 in the accumulation part 3.