Patent ID: 7110688

Claim:
An image forming device comprising: a developer bearing member bearing developer; a photosensitive member disposed in contact with the developer bearing member, an electrostatic latent image being formed on the photosensitive member and developed by the developer supplied from the developer bearing member for forming a developer image, a pressing force being exerted between the developer bearing member and the photosensitive member; a developing-bias applying portion applying a developing bias to the developer bearing member; a pressing-force adjusting portion adjusting the pressing force between the developer bearing member and the photosensitive member; and a density adjusting portion controlling both the developing-bias applying portion and the pressing-force adjusting portion to adjust, based on adjustment of both the developing bias and the pressing force, an amount of developer in the developer image developed on the photosensitive member, thereby adjusting density of a developer image on a recording medium.