Patent ID: 7946567

Claim:
A post-processing apparatus for an image forming apparatus, comprising: a console unit to staple sheets on which images are formed by the image forming apparatus, the console unit including at least one driving device; a punch unit to form a punch hole in a sheet or sheets on which an image is formed by the image forming apparatus, the punch unit including at least one driving device; a saddle unit to fold a sheet or sheets on which an image is formed by the image forming apparatus, the saddle unit including at least one driving device; and a control section for the console unit, which recognizes an operation schedule of the punch unit and the saddle unit based on an operation instruction received from the image forming apparatus, determines, based on a result of the recognition, whether start timings of the driving devices in the console unit, the punch unit and the saddle unit overlap with each other, and controls, when a result of the determination is affirmative, execution timings of operations of the units corresponding to the operation instruction to prevent the start timings of the driving devices in the units from overlapping with each other.