| 摘要 |
<p>There is a need to provide a sheet post-processing apparatus capable of neatly squaring a booklet spine without any damage such as a wrinkle on the spine and an image forming apparatus having the sheet post-processing apparatus. According to the sheet post-processing apparatus, a drive motor(SM9) drives first and second pressing members(650,651). A circumferential velocity(V1,V2) of the pressing member(650,651) on a pressing surface pressed against the booklet(2a) spine(2a1) is configured to be reverse to a moving velocity(W) of a moving portion(656a), and to be greater than the moving velocity (W).</p> |
