IMAGE FORMING DEVICE AND DEVELOPMENT DEVICE

PROBLEM TO BE SOLVED: To smoothly carry paper even if curling occurs at a tip end of the paper during double-sided printing.SOLUTION: In an image forming device 100 for carrying paper P to a transfer position T between a photosensitive drum 21 and a transfer roller 28 through a carrying path 12, and transferring image development from the photosensitive drum 21 to the paper P, on the carrying path 12 side in a development device exterior 35, an inclination guide surface 36 is provided in a manner as to incline toward the transfer position T, and a guide member 1 is provided on the carrying path 12 and guiding a tip end of the paper P carried on the carrying path 12, toward the inclination guide surface 36.