Sharp MXM623 Printer with list Error Codes and Epson WF2830 Adjustment Program – Printer model: Sharp MXM623 – Error codes on Sharp MXM623 with details instruction fixing: Code: A0-01 Description: PCU PWB ROM error Causes: The firmware version-up is not completed properly by interruption of the power during the version-up operation, etc. ROM trouble. Troubleshooting […]