Fitzpatrick, Cella, Harper & Scinto
Image fixing apparatus having plural temperature settings
 An image fixing apparatus includes a pair of rotatable members, the pair comprising a heating rotatable member and a back-up rotatable member press-contacted to the heating rotatable member, wherein the heating rotatable member is settable at a first setting temperature and a second setting temperature which is lower than the first setting temperature, when an image fixing operation is performed; a control system for controlling rotation of the pairs of rotatable members, the control system rotating the pairs of rotatable members when the setting temperature of the heating rotatable member is changed from the first setting temperature to the second setting temperature. 
Canon Kabushiki Kaisha
G G G G
G03G G03G G03G G03G
inventional additional additional inventional
Masashi
Saito