Patent ID: 7729652
Filing Date: 2010-06-01
Classification: G03G

Abstract:
1. A belt fixing unit comprising: a fixing member midway along a transport passage through which paper having a toner image formed thereon is transported from bottom to top approximately in a vertical direction, the fixing member fixing the toner image on the paper; a heating member provided parallel to and in a position approximately horizontal to the fixing member; a fixing belt formed as an endless belt and wound around and between the fixing member and the heating member, the fixing belt being heated by the heating member and being driven to revolve around and between the fixing member and the heating member; and a non-contact temperature sensor, wherein the temperature sensor is provided on a non-contact basis in a paper passage region on a surface of an upper one of parts of the fixing belt facing each other up and down between the fixing member and the heating member, the temperature sensor being located above a horizontal line through the fixing member or above a horizontal line through the heating member.