Top Page > Security Guide > Managing the Printer > Managing the Address Book > Deleting All Data of the Address Book
You can delete all the data registered in the Address Book.
Log in as the user administrator from the control panel.
Delete all data in the Address Book.
[System Settings] [Administrator Tools] [Delete All Data in Address Book] [Yes] [Exit]
Log out.
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Log in as the user administrator from the control panel.
Delete all data in the Address Book. 
Log out.
