Epson L6550-L6551-L6558 Error 0x03 The Epson L6550-L6551-L6558 printer occasionally encounters the error code 0x03, which is displayed on the scanner. This error is typically associated with the Scanner/ADF PID lock, encoder, motor, mechanism overload, or cable/FFC disconnection. The Scanner/ADF PID lock error refers to a mechanism that locks the scanner or automatic document feeder (ADF).…