Ricoh Aficio MP 161SPF - Manual (Page 190)

Registering Addresses and Users for Facsimile/Scanner Functions
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7
Changing a Registered IP-Fax Destination
A
Press [IP].
B
Select the new protocol using {U} or {T}, and then press the {OK} key.
C
Enter the new IP-Fax destination and then press the {OK} key.
Deleting a Registered IP-Fax Destination
If you delete a destination that is a specified delivery destination, messages to its
registered personal Box, for example, cannot be delivered. Be sure to check the
settings in the fax function before deleting any destinations.
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.