PUNCHING DEVICE AND IMAGE FORMING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a punching device allowing appropriately and rapidly delivering paper fed from an image forming device body according to the size and the presence of punching and an image forming device comprising the punching device. SOLUTION: This punching device to punch and deliver the paper S fed from the image forming device body A after its bending is straightened by a resist roller 60 comprises a first conveying passage 20 for delivering the paper S to a downstream side of the resist roller 60 via a short conveying path, a second conveying passage 30 for delivering the paper S via a long conveying path, and a switching means 40 for switching the conveying paths of the paper S selectively to the first conveying passage 20 or the second conveying passage 30.