Patent ID: 6212340
Filing Date: 2001-04-03
Classification: G03G

Abstract:
A two-component developing apparatus for developing an electrostatic latent image formed on a latent image carrying body with a two-component developer, said developing apparatus comprising:a developing unit including means for supplying the developer to said latent image carrying body to develop said latent image on said latent image carrying body and means for accommodating the developer;a developer storage means for storing a fresh developer which is to be supplied to said developing unit; anda toner storage means for storing a toner which is to be supplied to said developing unit; andmeans for supplying the toner in the toner storage means to said developing unit in accordance with a first instruction that a supplement to the toner is required;developer changing means for replacing the developer accommodated in said developing unit by the fresh developer stored in said developer storage means in accordance with second instructions that a replacement of developer is now required.