SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM INCLUDING SHEET PROCESSING APPARATUS

原文（中国語）

A sheet processing apparatus processes a sheet by using a rotary blade. The sheet processing apparatus includes: a rotary blade unit that supports the rotary blade such that the rotary blade is rotatable on a rotation shaft and movable in an axial direction of the rotation shaft; a guide member that is supported by the rotation shaft and that guides part of the sheet; and a rotation stopper that prevents rotation of the guide member. The rotation stopper is mounted on the rotary blade unit.