OKI CX3641MFP Error Codes list and solutions – Compatible Printer model: OKI CX3641MFP – OKI CX3641MFP Error Code description: Code: 001 Display: Service Call 001: Error Description: A heavy trouble of the CU substrate (defective substrate or power supply capacity shortage) was detected. Causes: Is the error display reproducible? Is the error display reproducible? Troubleshooting […]