| http://www.w3.org/ns/prov#value | - In order to reduce the vibration of the photosensitive drum 9, in the illustrated embodiment, as shown in FIG. 10 (sectional view of the drum), a rigid or elastic filler 9d is disposed within the photosensitive drum 9.The filler 9d may be made of metal such as aluminium, brass or the like, cement, ceramics such as gypsum, or rubber material such as natural rubber, in consideration of the productiv
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