Is the e-mail address used for the account name valid?
Register a new account with a valid e-mail address.
Is your e-mail address set not to receive e-mails from the domain "@mail.scansnap.com"?
A notification e-mail for resetting the password is sent from the domain "@mail.scansnap.com". Change the setting to allow e-mails from this domain.
Did you check if the e-mail is recognized as spam?
Check if the e-mail is in the spam inbox.