Patent ID: 9568864
Date: 2017-02-14
CPC Classifications: G03G

Claim:
1. A fixing device that fixes a toner image on a recording medium with heat, the fixing device comprising: a fixing rotator to contact the recording medium bearing the toner image; a pressing rotator to form a fixing nip with the fixing rotator; an oil applicator, impregnated with oil, to be pressed against at least one of applied members of the fixing rotator and the pressing rotator; a first adjuster to adjust contact and separation of the oil applicator with respect to the applied member; a surface modifier to contact and separate from the fixing rotator after the oil applicator roller contacts the applied member and before the oil applicator roller separates from the applied member; a second adjuster to adjust contact and separation of the surface modifier with respect to the fixing rotator; and a processor configured to allow the surface modifier to contact the fixing rotator to modify the surface of the fixing rotator after the oil applicator contacts the applied member, and the oil applicator to separate from the applied member after the surface modifier is separated from the fixing rotator, wherein the processor is further configured to control the oil applicator to contact and separate from the applied member according to a thickness of the recording medium and a presence or absence of a special color toner.