Deleting mailbox
How to delete a mailbox no longer needed is explained here.
1 Press the [FAX] button on the control panel.
2 Press the [ADVANCED] button to enter the advanced menu, and then press the [ITU MAILBOX] button.
3 Press the [CONFIDENTIAL] (or [BULLETIN BD.] or [RELAY]) button, and then press the [BOX DELETE] button.
4 Press the [ENTER] button.
y If the selected mailbox has not been set, "No entry" appears.