Patent ID: 7580649
Filing Date: 2009-08-25
Classification: G03G

Abstract:
1. A fixing device for an image forming apparatus comprising: an image-side rotating member; a non-image-side rotating member configured to nip and carry a fixing target medium having a toner image thereon into a predetermined direction together with the image-side rotating member; a first heating source configured to heat the image-side rotating member, a second heating source including a first heater configured to heat a total length range of the non-image-side rotating member and a second heater configured to heat a second range of the non-image-side rotating member, the total-length range of the non-image-side rotating member covering a total length in the direction of a rotation axis of the non-image-side rotating member, the second range being narrower than the total-length range of the non-image-side rotating member; and a control unit configured to variably control power to be supplied to the first heating source and/or the second heating source while the image-side rotating member is carrying out an arbitrary operation mode.