Patent ID: 6799011
Filing Date: 2004-09-28
Classification: G03G

Abstract:
An image forming apparatus of a tandem type comprising image forming stations for respective colors arranged along a transfer belt, each image forming station including an image carrier, a charging means and a developing means disposed around said image carrier, wherein the transfer belt and the respective image forming stations are arranged at least one of obliquely and vertically, and the transfer belt is passed through the respective image forming stations, thereby forming a multi-color image, said image forming apparatus being characterized in that said transfer belt is laid around the driving roller and the driven roller with a constant tension, one of the driving roller and the driven roller is positioned obliquely above the other of the driving roller and the driven roller, the driving roller and the driven roller are disposed such that the belt tension side at the time of driving the transfer belt is on the lower side, and the image carriers of the respective image forming stations are in contact with the belt tension side.