| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus that improves accuracy in measurement of toner concentration of developer and contributes to miniaturization of the apparatus. <P>SOLUTION: In the image forming apparatus 1 having a latent image carrier 2 and a developing device 3 which develops a latent image on the latent image carrier 2, the developing device 3 having an agent carrier 6 which holds two-component developer D composed of toner and carrier and a conveyance supply member 9 which conveys and supplies the developer D to the agent carrier 6, a concentration sensor 11 for detecting toner concentration of the developer D is provided in the conveyance supply member 9. <P>COPYRIGHT: (C)2004,JPO |
