Ricoh Aficio MP 161SPF - Manual (Page 209)

Registering Folders
201
7
If a Login Screen Appears
This section explains how to log in to the machine if a login screen appears when
you try to access a folder by browsing the network. The login screen appears if
you have not specified folder authentication, or if an incorrect user name or
password has been entered for folder authentication.
A
Enter the login user name, and then press the {OK} key.
Enter the login user name specified for folder authentication.
B
Enter the password, and then press the {OK} key.
The path to the selected folder appears.
If a message appears, press [Exit], and then enter the login user name and
password again.
Reference
"Entering Text", About This Machine
Changing a registered SMB folder
A
Select [System Settings] using {U} or {T}, and then press the {OK} key.
B
Select [Administrator Tools] using {U} or {T}, and then press the {OK} key.