Patent ID: 7657199
Filing Date: 2010-02-02
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image bearing member which bears a toner image; a transfer unit which transfers the toner image on the image bearing member to a recording material in a transfer portion when applied with transfer bias; a recording material feeding unit which includes (i) a stacking portion where recording materials are stacked and (ii) an air blowing unit for blowing air to a plurality of recording materials stacked in the stacking portion, the recording material feeding unit separating the stacked recording materials by blowing air to the recording materials and feeding one of the recording materials to the transfer portion; and a transfer bias changing means which changes a transfer bias within an area of a recording material according to a state of the air blowing when the recording material, on which a state of the air blowing is different, passes the transfer portion.