If a scanner internal error occurs, the LED indicator lights up as follows.

Turn the scanner off then back on.

If the problem persists, refer to The First Measures to Take When You Encounter any Errors or Troubles and take measures accordingly. If the problem still persists, write down the status of the LED indicator and contact the distributor/dealer where you purchased this product. Refer to the contact information in the Contact List if supplied with this product, or refer to the contact information in the Contact for Inquiries section if provided in Safety Precautions supplied with this product, and then make an inquiry.