Developing roller for use in image-forming apparatus and developing device equipped with the same

摘要

A developing roller for use in an image-forming apparatus, comprising: a substrate; a silicone-based elastic layer formed on the substrate; and surface-coating layer formed at the outermost surface; wherein the surface-coating layer has a thickness of not less than 3.5 mum with an amount of detection of silicon-atom-containing substances on the surface of the developing roller being set to not more than 2.5, and a developing device equipped with the developing roller.