An image forming apparatus includes: an image former for performing an
image formation by transferring a toner image onto a sheet; a fixing unit
for performing a fixing operation with respect to the sheet having the
transferred toner image by heating; a discharge tray for successively
stacking the sheet to be discharged after the fixing operation; and a
curl correcting mechanism for correcting a curl of the sheet to be
discharged onto the discharge tray after the fixing operation.