Patent ID: 7139515

Claim:
An image forming device comprising: a photosensitive member, having an outer peripheral surface configured to rotate in a rotational direction, said photosensitive member configured to hold an electrostatic latent image, on the outer peripheral surface; a developing device configured to supply a liquid developer containing toner particles and a carrier liquid to the electrostatic latent image to form a developer image on the outer peripheral surface of the photosensitive member; and a cover wall, located downstream side of the developing device with respect to the rotational direction of the photosensitive member and extended along the outer peripheral surface of the photosensitive member with a gap relative to the outer peripheral surface of the photosensitive member, which is configured to guide an airflow, the cover wall includes an airflow supplying portion which makes airflow of a predetermined velocity in a direction directed to the downstream side of the rotational direction of the photosensitive member in which the outer peripheral surface of the photosensitive member is configured to move, wherein the airflow supplying portion includes: a first nozzle configured into a first slit shape with a predetermined length in an axial direction of the photosensitive member, said first nozzle is configured to flow a first airflow of a first predetermined velocity to the downstream side of the rotational direction of the photosensitive member in which the outer peripheral surface of the photosensitive member is configured to move; a second nozzle configured into a second slit shape with a second predetermined length in the axial direction of the photosensitive member, and positioned on the downstream side of the rotational direction of the photosensitive member more than the first nozzle and said second nozzle configured to blow a second airflow of a second predetermined velocity to the downstream side of the rotational direction of the photosensitive member; and an airflow introduction portion which is configured to guide a component of the airflow from the second nozzle interfering with the airflow from the first nozzle in a predetermined direction in an area along the outer peripheral surface of the photosensitive member between the first nozzle and the second nozzle.