Cannot Connect the Scanner and a Computer via the USB Cable

Check the following points

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 or the Contact for Inquiries section in Safety Precautions bundled with this product and make an inquiry.

Is the scanner driver the latest version?

Solution

Update the scanner driver to the latest version.