Patent ID: 11971666
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The image forming apparatus according to claim 1, further comprising:
a supply roller configured to supply the developer to a surface of the developing roller;
a developing voltage power supply configured to apply a developing voltage to the developing roller; and
a supply voltage power supply configured to apply a supply voltage to the supply roller,
wherein the controller is configured to further execute:
control of at least one of the developing voltage power supply or the supply voltage power supply to create a potential difference that causes an electrostatic force in a direction from the supply roller to the developing roller to act on the developer that is charged with a normal polarity; and
control of forming an image on the transfer target in a state where a first potential difference is created between the developing roller and the supply roller during the image forming operation, and

wherein the photosensitive drum is configured to be rotated in a state where a second potential difference, which that is smaller than the first potential difference, is created between the developing roller and the supply roller during the first rotating operation.