Patent ID: 9709930
Date: 2017-07-18
CPC Classifications: G03G

Claim:
1. An image forming apparatus comprising: a fixing portion configured to fix a toner image formed on a recording material thereon, said fixing portion including a heating member having a heat source, a pressing member cooperating with said heating member to form a nip while pressing against said heating member, and a frame containing said heating member and said pressing member; a first opening provided in said frame and configured to permit air to flow from an inside of said frame to an outside of said frame; a second opening provided in said frame and configured to permit air to flow from the outside of said frame to the inside of said frame; and an external duct provided outside said fixing portion and configured to guide the air discharged through said first opening to said second opening; wherein at least a part of an inner wall of said external duct is made of a metal plate, and the air introduced through said second opening is guided to said pressing member.