Patent ID: 8509663
Filing Date: 2013-08-13
Classification: G03G

Abstract:
1. An image forming apparatus comprising: an image bearing member configured to bear a toner image; and a transfer roller configured to face the image bearing member and form a transfer nip portion together with the image bearing member; wherein the image forming apparatus transfers the toner image from the image bearing member onto a transfer medium conveyed into the transfer nip portion, and wherein the transfer roller includes a metal core bar and an elastic layer disposed on the metal core bar, the elastic layer is formed of solid rubber which does not foam by a foaming process, and the elastic layer includes, on a surface thereof, a plurality of convex portions each extending in a line in an axis direction of the transfer roller, and wherein a convex portion positioned at the transfer nip, among the plurality of convex portions, tilts such that a leading end of convex portion comes into contact with a neighboring convex portion when the toner image is transferred onto the transfer medium.