Sharp MXM1204 Printer with list Error Codes and Epson Et-2550 Adjustment Program – Printer model: Sharp MXM1204 – Error codes on Sharp MXM1204 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. PCU PWB trouble. […]