DEVELOPER-TONER CARTRIDGE ASSEMBLY IN IMAGE FORMATION SYSTEM

摘要

PURPOSE: Provided is a developer-toner cartridge assembly in an image formation system which opens or closes a supply and a recovery channel for toner by gearing the developer with the toner cartridge so that it excludes separate work in opening or closing the supply and the recovery channel. CONSTITUTION: In the developer-toner cartridge assembly in the image formation system which includes the developer(100) in a main body engine part and a toner cartridge(200) detached from the developer, the developer is characterized by including a switching member to open or close a toner inflow hole at an external case selectively and the toner cartridge is characterized by including a first switching tool to open or close a toner supply hole at an external case and a second switching tool to fix and open or close the switching member in removing from the developer.