| 摘要 |
An image forming apparatus including a photosensitive member, a charging apparatus to charge a surface of the photosensitive member when applied with a charging voltage, and an exposure apparatus to expose the surface of the photosensitive member after being charged to form an electrostatic image. A developing apparatus attaches a developer to the electrostatic image and develop the electrostatic image as a developer image when applied with a development voltage. An environment measuring apparatus measures information regarding temperature and a time information obtaining apparatus obtains information regarding a photosensitive member rotation time that represents a time during which the photosensitive member is rotated, and information regarding a photosensitive member stop time that represents a time during which the photosensitive member is stopped. A control apparatus controls an image formation condition based on a control mode.
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