| abstract |
In a developing device using a one-component developer as a developer, a developing device and an image forming apparatus capable of imparting a stable positive charge to the toner, maintaining the chargeability of the toner, and improving the toner transportability. It is an issue to provide. A developing device including a developer carrier for carrying a developer, wherein the developer carrier comprises a hexavalent chromium-free trivalent chromium compound (Cr 2 O 3 ) and cobalt (Co). A developing device comprising: a coating layer including an outermost layer; and the developer is a one-component developer. [Selection] Figure 1 |