DEVELOPING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a developing device which can prevent an occurrence of unevenness in image density by suppressing shifting of a magnet roller in the periphery direction by a simple supporting structure and to provide an image forming apparatus provided with the developing device.

SOLUTION: A developing roller 43 includes a cylindrical developing sleeve 49 which is supported to be rotated to a developing device housing 290 and a magnetic roller 50 that is coaxially inserted to the developing sleeve 49 and supported inside the developing device housing 290 in a fixed state. The developing sleeve 49 is supported to be rotated by a shaft 51 of the magnetic roller 50 through a bearing member 60 that is fixed to the shaft 51 to be rotated around an axial line of the shaft 51 in one end section in the axial direction of the developing sleeve. The bearing member 60 is composed to be fitted and held to a fitting section 62 formed on the image forming apparatus body 1A along the axial direction for the same.

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