Patent ID: 7251425

Claim:
An image fixing apparatus comprising: a first fixing device which fixes a toner image on a sheet; a second fixing device, provided downstream of said first fixing device, which fixes the toner image on the sheet passed though said first fixing device; a sheet conveying path, provided between said first fixing device and said second fixing device, wherein a length of said sheet conveying path is longer than a length of a longest sheet to be able to convey; and a sheet conveying means, provided on the sheet conveying path, which conveys the sheet, wherein a relation among sheet conveying speeds of said first fixing device, said sheet conveying means and said second fixing device is set to Vu<Vm<Vl, where Vu is a sheet conveying speed of said first fixing device, Vm is a sheet conveying speed of said sheet conveying means, and Vl is a sheet conveying speed of said second fixing device.