An image forming apparatus includes a scanning unit that scans a document, a recording unit including a transfer unit that forms an image on a recording sheet, and a fuser unit that affixes a toner image on the recording sheet transferred by the transfer unit. A sheet discharging unit discharges the recording sheet and a recording sheet discharging tray stacks recording sheets discharged from the sheet discharging unit in a space formed above the scanning unit. The sheet discharging unit includes a guide member curving the recording sheet in a convex shape in a width direction.