Confidential communication
The confidential communication function is designed for communications with specific persons using a Confidential User Box that requires a registered number and a password.
This ensures fax communications with improved security.

Tips
- This function is available only when the recipient's machine is equipped with the F-code function.
- You need to check the recipient's Confidential User Box number and the password for confidential fax reception.
- This function cannot be used together with the following functions:
- Password TX, Polling TX, Polling TX (Bulletin Board), Polling RX, Polling RX (Bulletin Board).
Reference
- You can register a confidential user box on this machine to receive confidential faxes. For details on how to register a Confidential User Box, refer to Here.