An image forming apparatus includes a plurality of image carrier members each configured to carry a latent image, a plurality of electrostatic chargers each configured to charge the image carrier member uniformly, a plurality of developing devices each configured to develop the latent image formed to the image carrier member by toner, a plurality of cleaners each configured to remove the toner remaining on the carrier member, an intermediate transfer member having a non-electroconductive material on which a developed image is transferred by one of the image carrier members and then another developed image is transferred over the developed image by another image carrier member and a plurality of transfer rollers each provided so as to oppose the image carrier member with the intermediary of the intermediate transfer member.