For details about Web Image Monitor, see Web Image Monitor Help.
Start Web Image Monitor.
See "Using Web Image Monitor", Connecting the Machine/ System Settings for details.
Click [Fax Received File] on the [Print Job/Stored File] menu in the left pane.
Select the check box of the fax document to be deleted.
Click [Delete].
Click [Delete File(s)].
Click [OK].
Quit Web Image Monitor.