Ricoh LD425, General Settings Manual, Page: 224 / 324

Protection
You can set protection codes to stop sender's name from being used or folders from being accessed
without authorization.
Fax Dest.
You can register fax numbers, line, fax header and select label insertion.
When using IP-Fax, you can register the IP-Fax destination and select the protocol.
E-mail
You can register e-mail destinations in the Address Book.
7. Registering Addresses and Users for Facsimile/Scanner Functions
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