| 摘要 |
There is provided a charging apparatus having high durability, in which no rusts etc. are generated, and by which a potential of a photoreceptor drum being charged can be controlled stably within an appropriate range for a long period of time owing to hardly impaired controllability of the potential of the photoreceptor drum being charged even with a some amount of contaminants such as toner that may be deposited on, and which is inexpensive as well. A charging apparatus includes a needle electrode, a holding member, two cleaner members, a support member, a moving member, a shield case, and a plate-like grid. On the surface of the needle electrode is formed a nickel layer containing boron.
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