Patent ID: 7055815

Claim:
A delivery processing apparatus for delivering a sheet after performing a prescribed sheet processing upon aligning the sheet, comprising: a sheet stacking portion on which a sheet to be processed is stacked; an aligning means for aligning a sheet which is disposed at a gap from the sheet stacking portion downstream of the sheet stacking portion in a sheet conveyance direction and aligns a sheet staked on the sheet stacking portion in a direction perpendicular to the sheet conveyance direction; a conveying means for conveying a sheet to the aligning means and the sheet stacking portion; and a delivering means disposed downstream of the conveying means in the sheet conveyance direction and upstream of the aligning means in the sheet conveyance direction for delivering processed sheets, wherein the delivering means is able to choose a conveyable state for conveying a sheet upon nipping the sheet and a non-conveyable state for not conveying a sheet, wherein when a first sheet among a plurality of sheets to be conveyed to the aligning means by the conveying means is conveyed, the conveyable state is chosen, and whereas when second and subsequent sheets are conveyed, the non-conveyable state is chosen.