Patent ID: 9075362
Filing Date: 2015-07-07
Classification: G03G

Abstract:
1. A fuser comprising: a heat roller configured to rotate, contact a toner surface side of a sheet and heat the sheet; an endless belt that contacts a part of an outer peripheral surface of the heat roller; a first press roller that contacts a part of an inner peripheral surface of the endless belt and is provided at an insertion part of the sheet in a nip portion where the heat roller contacts the endless belt; and a second press roller that contacts a part of the inner peripheral surface of the endless belt and is provided at an exit part of the sheet in the nip portion, wherein the first press roller includes a first bearing at an end of a rotary shaft of the first press roller, the second press roller include a second bearing at an end of a rotary shaft of the second press roller, a bearing type of the second bearing is different from a bearing type of the first bearing, and the second bearing has a rotational resistance lower than the first bearing.