Ricoh C2828 Function Manual page 458

5. Registering Addresses and Users for Facsimile/Scanner Functions
Protection
You can set protection codes to stop sender's name from being used or folders from being accessed
without authorization.
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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.
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