- 284 -7. TroubleshootingFax ProblemsThis section describes problems with the fax function.If you cannot solve a problem with the following solutions, contact your dealer.• Unable to Send a Fax (User's Manual)• Unable to Receive a Fax (User's Manual)• Unable to Send or Received a Fax• Other Problems (Fax)• Fax Error CodesUnable to Send or Received a FaxPoint to check Solution ReferenceDid you install an IP phone on themachine in a broadbandenvironment?On the touch panel, press [DeviceSettings], and then select [AdminSetup] > [User Install] > [Super G3] >[OFF].User Install