| 摘要 |
An image forming apparatus includes a latent image bearing member to bear an electrostatic latent image, and a developer bearing member to bear a developer, in which the electrostatic latent image is formed on the latent image bearing member by first uniformly charging the latent image bearing member and then by performing an optical writing operation. The electrostatic latent image is visualized by supplying the developer borne on the developer bearing member to the latent image bearing member. A lubricant for reducing a friction coefficient of a surface of the latent image bearing member is supplied to the latent image bearing member and the lubricant has a charging polarity opposite to that of the developer. The friction coefficient of the latent image bearing member is maintained such that adhering of the developer to a background part of the latent image is prevented as a result of supplying the lubricant to the latent image bearing member. The lubricant, which includes a silicone resin, is supplied to the latent image bearing member such that the friction coefficient of the surface of the latent image bearing member is from about 0.1 to about 0.4. The friction coefficient of the surface of the latent image bearing member is set such that a cleaning device to remove a residual developer on the surface of the latent image bearing member is prevented from being dragged by the latent image bearing member by decreasing a contact resistance between the cleaning device and the surface of the latent image bearing member.
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