Display the initial settings screen.
When using the standard operation panel
Press the [User Tools/Counter] key.
When using the Smart Operation Panel
Press the [Home] key on the top left of the control panel. Flick the screen to the left, and then press the [User Tools] icon () on the Home screen 4.
Press [System Settings].
Press [Administrator Tools].
Press [Address Book: Program / Change / Delete Group].
Press [Delete].
Press a group key you want to delete.
You can search by the registered name.
Press [Yes].
Press [Exit].
Close the initial settings screen.
When using the standard operation panel
Press the [User Tools/Counter] key.
When using the Smart Operation Panel
Press [User Tools/Counter] () on the top right of the screen.
For details on how to access System Settings, see Accessing User Tools.