| 摘要 |
An image forming apparatus including a developing device includes: a housing for housing a developer that includes a carrier and a toner; a development sleeve that is installed rotatably in the housing and is cylindrical and; and a layer regulator installed in the housing in such a way that an end of the layer regulator is spaced apart from an outer circumference surface of the development sleeve, wherein the layer regulator has a stacked structure including a non-magnetic material layer as a substrate, a resin layer for aiding electrifying of the toner by the carrier, and a magnetic material layer for regulating uniformity of the developer. Thus, the developing device is fabricated by using a simple process with sustainable straightness of the layer regulator even when the layer regulator operates and without formation of a step or a space between a magnetic material and a non-magnetic material.
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