| 摘要 |
The present invention provides an image-forming apparatus comprising a magnetic roll for magnetically holding a two-component developer in which toner and a magnetic carrier are electrostatically bonded, a developing roll in which a thin layer of the toner transferred from the two-component developer on the magnetic roll is formed on the surface, and a latent image support in which a latent image is developed with using the toner on the developing roll by a developing bias applied in relation to the developing roll, wherein the developing roll has a coating layer composed of silicone-modified polyurethane on a surface.
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