Tap [Utility] - [One-Touch/User Box Registration] - [Create One-Touch Destination] - [Address Book (Public)].
Select the type of the destination to be deleted.
This displays a list of destinations registered on this machine.
Select a destination to be deleted, then tap [Delete].
The confirmation screen appears.
To delete the files, select [Yes] and tap [OK].
Tap [Address book] on the main menu.
This displays a list of destinations registered on this machine.
Select a destination to be deleted, then tap [Delete].
The confirmation screen appears.
To delete the selected destination, tap [Yes].