Samsung SCX-4729FW-XAA - Manual (Page 209)

Storing email address
209 4. Special Features
Searching with a particular first letter
1 Select (scan) on the control panel.
2 Press (Address Book) > Search & Send > Select an address group >
ID on the control panel.
3 Enter the first few letters of the name you want.
4 Press the arrows until the name and number you want appears.