| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a particulate supply device capable of supplying particulates into a developer stored in a developing part, thereby stably maintaining excellent image quality even with the lapse of time, and to provide an image forming apparatus provided with the particulate supply device, a developing device and a process cartridge. <P>SOLUTION: In the particulate supply device 70 for supplying the particulates Q into the developing part 80 to store the developer for developing a latent image formed on an image carrier 54, the particulates Q supplied to the developing part 80 are formed so that the volume average particle diameter is 50 to 500nm. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
