An image forming apparatus includes an image forming unit configured to form an image on a sheet, a fixing unit configured to fix the image formed by the image forming unit on the sheet, a cooling unit configured to cool the sheet having the image fixed thereon by the fixing unit, a curl amount changing unit configured to change an amount of curl of the sheet by bending the sheet having the image fixed thereon, and a path configured to guide the sheet having the image fixed thereon to the image forming unit, after the sheet is conveyed through the curl amount changing unit and the curl amount changing unit. The curl amount changing unit changes an amount of bending the sheet according to whether the sheet is stopped at the cooling unit or not.