Patent ID: 9342013
Filing Date: 2016-05-17
CPC Classification: G03G

Claim Text:
1. A fixing device, comprising: a belt member formed in an endless shape; a heating device disposed facing an outer circumferential surface of the belt member and configured to heat the belt member; and a pressure roller pressed against the outer circumferential surface of the belt member and rotatable, the fixing device being configured to fix an unfixed toner image formed on a recording medium by inserting the recording medium through a fixing nip portion formed by the belt member and the pressure roller, wherein the fixing device further comprises two terminal portions that are electrically connected to a detector configured to detect a resistance value of the belt member, a value of a current that flows when a predetermined voltage is applied to the belt member, or a potential difference that occurs when a predetermined current is made to flow in the belt member; and the two terminal portions are contacted, on a one-to-one basis, by end-portion regions at both ends of an inner circumferential surface of the belt member in a belt-width direction.