---
publication_id: "OT-2026-000000716"
title: "Sheet processing apparatus and image forming system"
published_at: "2026-09-15T19:03:17.662911Z"
canonical_url: "https://opentechnical.org/p/OT-2026-000000716"
categories:
  - "material-handling/package-handling"
keywords:
  - "b65h37/04"
  - "b65h2301/4421"
  - "b65h2301/4474"
  - "b65h2301/5122"
  - "b65h2402/53"
  - "b65h2801/06"
---

# Sheet processing apparatus and image forming system

## Abstract

A sheet dropping portion abuts on a sheet conveyed in a first conveyance direction by a pair of conveyance rotary members from above to drop the sheet onto a placement portion by pivoting from an upper position to a lower position. The guide portion is arranged above the placement portion and extends toward the placement portion, and guides the sheet toward an abutment portion in a case where the sheet on the placement portion conveyed in a second conveyance direction opposite to the first conveyance direction by a reverse conveyance portion comes into contact with the guide portion. The sheet dropping portion located at the lower position overlaps a part of the guide portion when viewed in a rotational axis direction of the pair of conveyance rotary members.