Patent ID: 8432571

Claim:
An image forming system including an image forming apparatus, which is configured to form an image on a sheet according to an input print job, and a plurality of postprocessing apparatuses, which are serially connected to the image forming apparatus on a downstream side of the image forming apparatus in a sheet conveyance direction and which is configured to execute postprocessing on a sheet discharged from the image forming apparatus, the image forming system comprising: a supply unit configured to supply the plurality of postprocessing apparatuses with a signal, which instructs a batch power supply to the plurality of postprocessing apparatuses; and a control unit configured, after the plurality of postprocessing apparatuses have been powered on by the supply unit instructing the batch power supply, to discontinue a power supply to a second postprocessing apparatus, which is connected further downstream of a first postprocessing apparatus provided most downstream in a direction of conveying the sheet in the input print job, of the plurality of postprocessing apparatuses.