BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a front view in section showing the internal construction of an image forming apparatus according to one embodiment of the invention.
FIG. 2 is a front view in section outlining a fixing device according to the embodiment of the present invention.
FIG. 3 is an exploded perspective view of the fixing device.
FIG. 4 is an assembled perspective view of the fixing device shown in FIG. 3.
FIGS. 5A and 5B are respectively a front view in section and a perspective view partly cut away showing one embodiment of a mounted state of a thermostat and temperature sensors in the fixing device.
FIG. 6 is a block diagram showing the functional construction of a controller.
FIG. 7 is a flow chart showing one embodiment of a control flow by the controller.
FIG. 8 is a section showing a state where a tension roller and a cleaning roller are applied to a fixing belt in the fixing device.
FIG. 9 is a section showing a state where a fixing pad member is used instead of a fixing roller in the fixing device.