Ricoh Aficio MP 161SPF - Manual (Page 229)

Registering Folders
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7
G
Press [Details].
H
Select [Auth. Info] using {U} or {T}, and then press the {OK} key.
I
Select [Folder Authentication] using {U} or {T}, and then press the {OK} key.
J
Select [Specify Other Auth. Info] using {U} or {T}, and then press [User].
K
Enter the login user name, and then press the {OK} key.
L
Press [Password].