Registering a frequently used destination on this machine will save you the trouble of having to enter it each time you send a fax. A destination registered on this machine is called an "Address Book".
You can register up to 2000 address books.
Register the fax number of the destination.
Tap [Utility] - [One-Touch/User Box Registration] - [Create One-Touch Destination] - [Address Book (Public)] - [Fax] - [New].
The administrator can perform the same actions by selecting [Administrator Settings] - [One-Touch/User Box Registration].
Enter destination information, then tap [OK].
For details on the registered information, refer to Here.
To check the settings for a registered destination, select its registered name, then tap [Check Job Set.].
To change the settings for a registered destination, select its registered name, then tap [Edit].
To delete a registered destination, select its registered name, then tap [Delete].
You can also register fax destinations using Web Connection. For details, refer to Here.