Attaching An Electronic Signature - Ricoh Aficio MP W5100 Operating Instructions Manual

1. Open a Web browser.
2. Enter "http://(the machine's IP address or host name)/" in the address bar.
When entering an IPv4 address, do not begin segments with zeros. For example: If the address is
"192.168.001.010", you must enter it as "192.168.1.10" to connect to the machine.
The top page of Web Image Monitor appears.
3. Click [Login].
The network administrator can log on.
Enter the login user name and login password.
4. Click [Configuration], and then click [S/MIME] under "Security".
The S/MIME settings page appears.
5. Select the encryption algorithm from the drop down menu next to "Encryption Algorithm"
under "Encryption".
6. Click [OK].
The algorithm for S/MIME is set.
7. Click [Logout].

Attaching an Electronic Signature

To attach an electronic signature to sent e-mail, a device certificate must be installed in advance.
It is possible to use either a self-signed certificate created by the machine, or a certificate issued by a
certificate authority.
• To install an S/MIME device certificate, you must first register "Administrator's E-mail Address" in
[System Settings] as the e-mail address for the device certificate. Note that even if you will not be
using S/MIME, you must still specify an e-mail address for the S/MIME device certificate.
Electronic Signature
1. Install a device certificate on the machine. (The secret key on the certificate is configured on the
machine.)
2. Attach the electronic signature to an e-mail using the secret key provided by the device certificate.
3. Send the e-mail with the electronic signature attached to the user.
4. The receiver requests the public key and device certificate from the machine.
5. Using the public key, you can determine the authenticity of the attached electronic signature to
see if the message has been altered.
Configuration flow (self-signed certificate)
1. Creating and installing the device certificate.
Using S/MIME to Protect Email Transmission
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