Image forming apparatus and cartridge

摘要

An image forming apparatus having a developer carrying member for developing an electrostatic image formed on an image bearing member with a developer, and a flight developer carrying member provided between the image bearing member and the developer carrying member for regulating an area in which the developer flies from the developer carrying member to the image bearing member, wherein a voltage applied to the developer carrying member is controlled in accordance with information regarding the front edge location of the flight developer regulating member.