Check the following points

• Did you turn the scanner off then back on?

If the problem persists, check the items in Before You Contact the Scanner Service Provider first, then 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.

Did you turn the scanner off then back on?

Solution

Turn the scanner off then back on.

Wait for at least 5 seconds after turning off the scanner before turning it back on.

For details, refer to How to Turn the Power ON.