PURPOSE: To make the breadth of the device main body of an image forming device small and its height low, and moreover, to make the checking work of jam processing, etc., easy.

CONSTITUTION: The image forming device has a vertical path 29 branching from an electing path 25, a nearly horizontal reversing path 33, a nearly horizontal intermediate ejecting path 37, a nearly horizontal intermediate tray 38 provided between the reversing path 33 and the intermediate electing path 37, and a vertical return path 20 provided on the downstream of the intermediate tray 38 and leading a sheet to an image forming part 4.