Patent ID: 6775491
Filing Date: 2004-08-10
Classification: G03G

Abstract:
A fixing unit that fixes a developing material deposited on a recording medium by heating and pressing the recording medium, comprising:two heating members that apply heat to the recording medium; and two temperature-sensitive shut-off devices each of which is connected in series with a corresponding one of the two heating members; wherein each of the two temperature-sensitive shut-off devices includes a first heat-sensitive shut-off element and a second heat-sensitive shut-off element, the first heat-sensitive shut-off element shutting off electric power to the corresponding one of the two heating members when a temperature of surface of the corresponding one of the two heating members exceeds a predetermined value, the second heat-sensitive shut-off element shutting off electric power to the corresponding one of the two heating members when a temperature of a surface of the second one of the two heating members exceeds a predetermined value.