Patent ID: 8086157

Claim:
An image forming apparatus, comprising: a latent image forming part configured to form a latent image on an image carrier; a developing part configured to form a toner image by developing the latent image on the image carrier; a first transferring part configured to transfer the toner image on the image carrier to a first surface of a transferring medium having two surfaces including the first surface and a second surface and configured to transfer the toner image to a first intermediate transferring part; a second transferring part configured to transfer the toner image on the first intermediate transferring part onto a second intermediate transferring part; a third transferring part configured to transfer the toner image on the second intermediate transferring part onto a third intermediate transferring part; and a fourth transferring part configured to transfer the toner image on the third intermediate transferring part and indirectly from the first transferring part onto the second surface of the transferring medium without reversing the transferring medium on a conveyance path of the transferring medium after the toner image is directly transferred from the first transferring part to the first surface of the transferring medium to carry out both-surface printing; wherein the first intermediate transferring part and the second intermediate transferring part are belt shaped; the third intermediate transferring part is roller shaped; and the fourth transferring part is provided at a downstream side of the first transferring part on the conveyance path of the transferring medium.