Patent ID: 6643478
Filing Date: 2003-11-04
Classification: G03G

Abstract:
A fixing device comprising:a fixing belt that is brought in contact with a recording medium to heat and fix a developer image formed on the recording medium; plural supporting rollers to support the fixing belt rotatably; a pressing roller that is arranged opposing to the supporting rollers via the fixing belt to clamp and convey the recording medium jointly with the fixing belt; a heating roller to heat the fixing belt by keeping a first set temperature in a heating and fixing state of the developer image by the fixing belt and by keeping a second set temperature higher than the first set temperature in a ready state; and a temperature controller that raises a temperature of the heating roller from the first set temperature to the second set temperature after the temperature of the fixing belt drops to a prescribed temperature lower than the temperature in the heating and fixing state when shifting to the ready state after the heating and fixing state is completed.