Patent ID: 9612555
Date: 2017-04-04
CPC Classifications: G03G

Claim:
1. A fixing device comprising: a fixing rotator rotatable in a predetermined direction of rotation; an opposed rotator pressed against the fixing rotator to form a fixing nip therebetween, through which a recording medium bearing a toner image is conveyed; a primary heater disposed in a circumferential span of the fixing rotator other than the fixing nip in a circumferential direction of the fixing rotator to heat the fixing rotator; a heat shield interposed between the primary heater and the fixing rotator and disposed outboard from at least a decreased size recording medium conveyance span of the fixing rotator spanning in an axial direction of the fixing rotator where the recording medium having a decreased size in the axial direction of the fixing rotator is conveyed, the heat shield to shield the fixing rotator from the primary heater; and a secondary heater mounted on the heat shield to heat the fixing rotator.