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 Home button, if necessary.
  2. Press the arrow buttons and then select Setup.
  3. Press the arrow buttons and then select Restore Default Settings. You see this screen:
     
  4. Select Fax Send/Receive Settings. You see a confirmation screen.
  5. Select Yes or No.