06-30-2009 09:54 AM
09-02-2009 08:25 AM
12-01-2010 02:33 PM
Typically a No Fax Detected error is caused by someone calling your device from a handset instead of a fax machine.
Upgrading to a newer version of firmware will help because the newer firmware can filter out cases where there is no fax machine on the other end of the line.
Although I am an HP employee, I am speaking for myself and not for HP.