OKI ES9466MFP Error Codes list and solutions – Compatible Printer model: OKI ES9466MFP – OKI ES9466MFP Error Code description: Code: C020 Description: Developer drive motor abnormality Causes: Developer drive motor abnormality: The developer drive motor is not rotating normally. Troubleshooting Guides: Developer unit • Check if the developer material is caked. • Check if there […]