Patent ID: 7639962

Claim:
An image forming system comprising: an image forming device for forming a toner image on a recording material, said image forming device starting an image forming operation in response to an input of image formation instructions to said image forming system; a first image heating device for heating the toner image on the recording material at a first nip; a second image heating device for heating the toner image on the recording material, which has been heated by said first image heating device, at a second nip provided at a position different from the first nip; a selecting device for selecting one of plural image forming modes including a first image forming mode in which said first image heating device is used for an image heating process without use of said second image heating device and a second image forming mode in which said first image heating device and said second image heating device are used for the image heating process; and an executing portion for executing an operation while in a stand-by mode waiting for an input of image formation instructions by supplying electric power to said first image heating device and not supplying electric power to said second image heating device.