OKI ES2024e Error Codes list and solutions – Compatible Printer model: OKI ES2024e – OKI ES2024e Error Code description: Code: 001 … 011 Display: Service Call 001: Error ~ 011: Error Description: CPU Exception Causes: Does error display reappear? Troubleshooting Guides: Turn power OFF and ON. Replace TIG board. (Replace EEPROM) Code: 020 Display: Service […]