Drum unit and image forming apparatus
Abstract:
A drum unit includes a photosensitive drum and a heater. The photosensitive drum rotates around a rotation axis extending along a rotation axis direction. The heater is installed inside the photosensitive drum and heats the photosensitive drum. The heater includes a heater substrate and a plurality of resistance elements. The heater substrate extends along the rotation axis direction. The plurality of resistance elements are aligned in the rotation axis direction and are mounted on the heater substrate.
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