You must register a bulletin board box for storing a document beforehand. Follow the steps below to register the box.
Select Fax Box > Polling Send/Board from the home screen.
Select one of the boxes named Unregistered Bulletin Board.
If a password entry screen is displayed, enter the password.
Make settings for the items on the screen.
Make the appropriate settings such as Notify Send Result.
If you set a password in Box Open Password, you will be asked to enter the password from the next time you open the box.
Select OK to apply the settings.