Patent ID: 6778788
Filing Date: 2004-08-17
Classification: G03G

Abstract:
A fixing apparatus, comprising:a heater extending in a direction orthogonal to a direction in which a same recording sheet carrying an unfixed toner image having at least two different sized toner images formed with toner in accordance with image information is transferred; an endless belt configured to be rotated with an inner surface thereof sliding over a surface of said heater; a pressure roller arranged at a position opposite to said heater relative to said endless belt, said pressure roller being held for rotation in contact with said endless belt under pressure to form a nip therebetween; and a heater controller configured to control the heater to produce a different amount of heat for corresponding different sized toner images on the same recording sheet in accordance with at least one of a size and a thickness of the different sized toner images on the same recording sheet, wherein, when said recording sheet is brought to said nip with said unfixed toner image facing said endless belt, said pressure roller applies pressure to said recording sheet against said endless belt so that said unfixed toner image is fixed on said recording sheet with heat by said heater as said recording sheet is transferred by movement of said endless belt and said pressure roller.