| 摘要 |
PURPOSE:To generate good image with less chromatic misconvergence in a color image forming device by enhancing the accuracy in the position coordination of the decomposed color image. CONSTITUTION:A photo-sensitive substance belt 15 is set over rotary rollers 16, 17, and between them a back plate 18 having a curvature is provided. The belt 15 is furnished directly under its peripheral edge with a convex guide member 41, revolved while a fitted sliding state is kept with a guide groove 40 which is formed in the back plate 18 to serve as reference, and transported with the motion restrained while receiving a force to shift the belt always in the width direction to the specific side of its side line through the action of the tension strength due to a tension roller 19, and there is less risk of dislocation. |
