PURPOSE: To smoothly guide transfer paper even if the paper thickness varies, and to enhance image quality of a copy, by fixing one end of an elastic member for guiding the paper to one of upper and lower guide plates, and bringing the other end into contact with the forward end of the other guide plate.

CONSTITUTION: One end of an elastic member 4 for guiding the transfer paper is fixed to the upper guide plate 2 and the other end is held in contact with the forward end of the lower guide plate 3. The transfer paper P travels forward in the arrow direction while releasing the contact between the member 4 and the plate 3. The end of the paper P is guided along the end of the plate 3 by the pressing force of the member 4, and arrives at the prescribed transfer point of a photoreceptor 1 without colliding against it. Since the forward end of the paper P is corrected in the direction, and contacts with the photoreceptor 1, stains on the reverse side of the paper and deficiency of transfer are prevented even if thickness of the paper P varies.