| 摘要 |
The present invention provides a developing apparatus which comprises a rotatable developer bearing member, a rotatable developer regulating member, a first magnetic portion provided in an opposed relation to the developer bearing member in order to prevent the magnetic toner from leaking at ends of the developer bearing member in a rotation axis direction thereof, and a second magnetic portion provided in an opposed relation to the developer regulating member in order to prevent the magnetic toner from leaking at ends of the developer regulating member in a rotation axis direction thereof, and, in the vicinity of the developer regulating portion, the second magnetic portion is disposed inwardly of the first magnetic portion in the rotation axis direction.
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