An image forming apparatus is provided which includes: an image carrier that carries an image; a transfer roller that includes a gripping member, and transfers the image to the transfer medium; a suction guide portion that includes a suction unit, and suctions and guides the transfer medium transferred the image, vertically upward with a plane transferred the image of the transfer medium being directed vertically downward; and a transfer medium transporting section that includes a suction member and transports the transfer medium while suctioning the transfer medium by the suction member, the transfer medium transporting section being configured such that a position of starting to suction the transfer medium is arranged at a position having a predetermined relationship with respect to a position of releasing the transfer medium from the gripping member and a position at which the image carrier is separated from the transfer medium.