| 摘要 |
A development device of this invention includes a developer carrier for transporting a developer to a development region opposite to an image bearing body as binding the developer thereto by means of a magnetic force, and a regulating member opposing the developer carrier across a required distance therebetween and regulating the amount of developer transported by the developer carrier to the development region, the regulating member having a greater roughness at its surface opposite to the developer carrier than the developer carrier.
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