My product is unable to receive faxes after I changed the number of rings to answer, V.34, and DRD settings. What should I do?

• Do the following:
  1. Press the Setup button.
  2. Press or to select the Restore Default Settings button.
  3. Press or to select the Reset Fax Send/Receive Settings button.
  4. You see a Warning screen.
  5. Press Yes to restore factory defaults. (Select the No button if you want to cancel the operation.)