摘要 |
<P>PROBLEM TO BE SOLVED: To provide a developing device of a non-contact development system suitable to color superposition on a photoconductor, which can stably supply toner to a latent image and does not occure background contamination, and to provide a process cartridge and image forming apparatus. <P>SOLUTION: The developing device 61 includes: a toner replenishing opening 92 for replenishing with toner consumed by development; a developer storage part 100 storing two-component developer composed of toner and carrier; an agitating and charging means for agitating and charging the developer in the developer storage part 100; and a developer bearer 69 for bearing the developer by a magnetic force and conveying the developer to an area opposite an electrostatic toner bearing roller. The process cartridge and an image forming apparatus have this developing device. <P>COPYRIGHT: (C)2008,JPO&INPIT |