| http://www.w3.org/ns/prov#value | - The first method is executed by corona discharge caused by a scorotron, and the second method is executed by bringing a member such as acharging roller, a charging brush, and a charging blade into contact with the photosensitive body.The first method requires a high voltage power supply of 5 to 10 KV and generates a great deal of ozone due to the corona discharge.
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