Patent ID: 6524762
Filing Date: 2003-02-25
Classification: G03G

Abstract:
A non-magnetic mono-component developing device, which develops an electrostatic latent image formed on an image-supporting member with a toner, comprising:a toner-supporting member that is placed face to face with the image-supporting member, the surface of said toner-supporting member moving upwards from below at a developing area in which said toner-supporting member and said image-supporting member are placed face to face with each other; a toner housing chamber for housing a toner having a weight-average particle size of from 4 to 10 &mgr;m, a compression rate of not more than 32% and an angle of repose of not more than 38Â°; and a toner-supplying member for supplying the toner housed in the toner housing chamber to said toner-supporting member, said toner-supplying member being placed face to face with said toner-supporting member, the surface of said toner-supplying member and the surface of said toner-supporting member being allowed to move in opposite directions from each other at the face to face area.