OKI C5400 Error Codes list and solutions – Compatible Printer model: OKI C5400 – OKI C5400 Error Code description: Code: – Display: Loader V. xx.xx PW-LSI ERROR Description: A high-voltage power unit interface error at initialization. Troubleshooting Guides: Is the cable between the PU board and the high-voltage power unit connected properly? Is there poor […]