Patent ID: 6952552
Filing Date: 2005-10-04
Classification: G03G

Abstract:
1. An image forming apparatus which includes an image carrying body that carries a toner image, and which forms an image, comprising: belt-like conveyance means provided to face the image carrying body; first pressing means for pressing the belt-like conveyance means on the image carrying body on an upstream side in a direction of movement of the belt-like conveyance means relative to the image carrying body; second pressing means for pressing the belt-like conveyance means on the image carrying body on a downstream side in the direction of the movement of the belt-like conveyance means relative to the image carrying body, such that the belt-like conveyance means is put in close contact with the image carrying body from a pressing portion where the first pressing means presses the image carrying body; and voltage applying means for applying different voltages to the first and second pressing means for electrostatically transferring, when a toner image is carried on the image carrying body, the toner image onto the belt-like conveyance means or a transfer medium that is conveyed on the belt-like conveyance means, wherein the voltage applying means sets a polarity of the voltage applied to the first pressing means to be the same as a polarity of the toner carried on the image carrying body.