摘要 |
A developer supply device configured to supply charged development agent to an intended device, includes a carrying assist member disposed, apart from a developer transfer path, to face a developer carrying surface of a developer carrying member at an upstream side relative to a developer carrying position, in which a transfer board is opposite and in closest proximity to the developer carrying surface, in a direction in which the developer carrying surface moves when the developer carrying member is driven to rotate. The carrying assist member is configured to, when a predetermined voltage is applied thereto, generate an electric field, under which the charged development agent heads for the developer carrying surface, between the carrying assist member and the developer carrying member.
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