Developing unit of dry type

摘要

A developing unit is disclosed which utilizes a two-component developer comprising a toner and a carrier to develop an electrostatic latent image formed on a photosensitive member. The unit comprises a doctor for controlling the amount of developer supplied onto a developing sleeve, a flow plate for receiving a quantity of developer scraped off by the doctor and allowing it to flow therealong, at least one deflector plate disposed at an angle on the flow plate for causing the developer to be directed toward one side, and a screw assembly for conveying the developer which has been directed toward one side to the other side and returning it to the interior of a developer vessel.