Patent ID: 6996356
Filing Date: 2006-02-07
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image bearing member capable of being rotated; first charging means capable of being rotated in the same direction as a rotational direction of said image bearing member with being in contact with said image bearing member, and capable of charging said image bearing member and toner on said image bearing member; electrostatic image forming means capable of forming an electrostatic image on said image bearing member charged by said first charging means; developing means capable of collecting the toner on said image bearing member and visualizing the electrostatic image; and second charging means, said second charging means being disposed downstream of said first charging means along the rotational direction of said image bearing member, capable of being rotated in a direction opposite to the rotational direction of said image bearing member with being in contact with said image bearing member, and capable of charging the toner on said image bearing member, wherein AC voltages are applied to said first charging means and said second charging means, respectively.