| 摘要 |
PROBLEM TO BE SOLVED: To provide a developing device capable of satisfactorily attracting a developer without being accumulated in a sucking means. SOLUTION: This developing device comprises a housing 4 for housing toner, a magnetic roll 5 provided within the housing 4 to supply the toner to a photosensitive drum 1, a suction duct 7 provided in the housing 4 to attractively remove the scattered toner generated in the supply of the toner and a voltage applying means 15 for applying a bias voltage of the reverse polarity to the polarity of the toner to the suction duct 7. |
