Ricoh Aficio MP 161SPF - Manual (Page 174)

Registering Addresses and Users for Facsimile/Scanner Functions
166
7
F
Press the {OK} key.
G
Press [Details].
H
Select [Fax Settings] using {U} or {T}, and then press the {OK} key.
I
Enter the fax number using the number keys, and then press the {OK} key.
J
Specify optional settings such as "SUB Code", "SEP Code", "International
TX Mode", and "Label Insertion".
K
Press [End].
L
Press the {OK} key.