Patent ID: 8215634

Claim:
A paper sheet processing apparatus supported by a frame, comprising: a paper sheet housing part capable of housing a paper sheet and being mountable to and demountable from the frame; a presser plate to be moved in the paper sheet housing part between a pressing position where the paper sheet is pushed and a home position where the paper sheet is allowed to be conveyed inside the paper sheet housing part; a detecting member being movable in synchronization with a movement of the presser plate; a sensor to detect a movement of the detecting member; and a moving mechanism to move the detecting member when the presser plate is moved to the pressing position as well as when the paper sheet housing part is demounted from the frame, wherein: the moving mechanism comprises: a cam to rotate in response to a movement of the presser plate; and a transmission member including a touching part to cause the detecting member to be moved by contacting the detecting member in accordance with a rotation of the cam, and the cam comprises a shape to limit the movement of the detecting member when the presser plate is moved from the home position to the standby position where the paper sheet is prevented from being conveyed inside the paper sheet housing part.