IMAGE HEATING DEVICE

摘要

An image heating device includes a belt, a light emitting portion, a light receiving portion, and a control portion. The belt heats an image on a sheet in an image heating operation. The light emitting portion emits light from one widthwise end of the belt to the other widthwise end of the belt such that the light passes near a peripheral surface of the belt. The light receiving portion receives the light from the light emitting portion. The control portion controls, according to an output of the light receiving portion, whether or not to prohibit the image heating operation.

主权项

1. An image heating device comprising:
a belt configured to heat an image on a sheet in an image heating operation; a light emitting portion configured to emit light from one widthwise end of the belt to the other widthwise end of the belt such that the light passes near a peripheral surface of the belt; a light receiving portion configured to receive the light from the light emitting portion; and a control portion configured to control, according to an output of the light receiving portion, whether or not to prohibit the image heating operation.