| 摘要 |
An image forming apparatus includes a lower structural body, an upper structural body turnable around a turning shaft between a closed position in which the upper structural body is closed with respect to the lower structural body and an opened position in which the upper structural body is opened upward with respect to the lower structural body, and a developing device which develops, with a developing agent, an electrostatic image formed on a photosensitive drum. The developing device is disposed inside the upper structural body and includes a developing roller rotatable around a rotating axis to bear and transport the developing agent to a developing position and a developing-agent container containing the developing agent. An axial direction of the rotating axis of the developing roller intersects with an axial direction of the turning shaft of the upper structural body. An angle by which the upper structural body is turned from the closed position to the opened position is not more than an angle of repose of the developing agent.
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