Ricoh LD435c - Manual (Page 276)

Registering Addresses and Users for Facsimile/Scanner Functions
268
7
F
Press [Protection].
G
Press [Destination] or [Sender] under Use Name as.
Both [Destination] and [Sender] can be selected at the same time.
H
Press [Change] under Protection Code.
I
Enter a protection code using the number keys, and then press {q}.
J
Press [OK].
K
Press [Exit].
Note
❒ Specify a protection code of up to eight digits. You can also specify "Pro-
tection" without specifying a protection code.