Patent ID: 8892015
Filing Date: 2014-11-18
Classification: G03G

Abstract:
1. A fixing device comprising: a first roller; a second roller parallel to the first roller; an endless belt looped for rotation around the first and second rollers; a third roller opposite the first roller via the belt; a heater in at least one of the rollers to heat the roller to in turn heat the belt; a cooler inside the loop of the belt between the first and second rollers to cool the belt, the first and third rollers pressing against each other to form a nip therebetween through which a recording medium is conveyed under heat and pressure as the belt moves from the first roller toward the second roller in a longitudinal direction of the belt, the recording medium remaining in contact with the belt cooled by the cooler during conveyance between the first roller and the second roller, and separating from the belt as the belt passes around the second roller; and a belt tensioner in contact with the belt configured to tension the belt in a transverse direction perpendicular to the longitudinal direction of the belt, wherein