Ricoh Aficio MP 161SPF - Manual (Page 242)

Registering Addresses and Users for Facsimile/Scanner Functions
234
7
D
Select [Program/Change] using {U} or {T}, and then press the {OK} key.
E
Enter the registration number you want to program using the number keys
or the Quick Dial keys, and then press the {OK} key.
You can automatically specify registration numbers 001-016 by pressing the
Quick Dial keys.
F
Enter the group name, and then press the {OK} key.
G
Press the {OK} key.
H
Press the {User Tools/Counter} key.
Reference
"Entering Text", About This Machine