DEVELOPMENT APPARATUS AND IMAGE FORMING APPARATUS HAVING THIS

PROBLEM TO BE SOLVED: To provide a development apparatus that efficiently cools a developer in the development apparatus even during standby after continuous image formation, and acquires a high-quality image by suppressing occurrence of agglomerating, fusing, caking and the like of the developer, and to provide an image forming apparatus using this. SOLUTION: This development apparatus 3 for developing a latent image on a photoreceptor 4 using a developer 14 stored in a development vessel 15 comprises stirring screws 21, 22 and 23 for diffusing the developer 14 in the development vessel 15, and a control section 25 for operating the stirring screws 21, 22 and 23 by a predetermined time during non-development. COPYRIGHT: (C)2009,JPO&INPIT