Communication encryption (SSL/TLS)

You can encrypt the communication between your PC or mobile device and this machine. The communication is encrypted with SSL/TLS in the following cases.

A certificate is pre-installed on this machine to enable the communication using HTTPS.


Registering a certificate

You can use a certificate when sending data to this machine connected to a network.

The following two types of certificates can be registered.

  • Self-signed certificate
    This certificate is issued by this machine.
  • Certificate issued by certificate authority
    This certificate is signed and issued by an external certificate authority for CSR (Certificate Signing Request) created by this machine.

  • Before registering a certificate, be sure to delete the certificate already registered in this machine.
  • If an IP address is set in [Common Name] of the certificate, the certificate will be invalidated when the machine's IP address is changed after the certificate is registered. Please register the certificate again.


  1. Open the web page of this machine.

    Opening the web page

  2. Log in as an administrator.

    Logging in as an administrator
  3. Select [Network Setup].

  4. Click [Menu] on the upper right corner, select [Security] - [Communication Encryption (SSL/TLS Server Certificate)], and click [Delete Certificate].

  5. Select [Delete] to delete the certificate that is already registered.

    • If the certificate has been deleted, proceed to Step 6.

  6. Select the certificate to be registered in [How to prepare the server certificate to be used].

    • For a self-signed certificate
      Select [Create a self-signed certificate], input the required items according to the on-screen instructions, and click [Create & Import].

    • To obtain a certificate issued by a certificate authority
      Select [Obtain a certificate issued by a certificate authority], input the required items according to the on-screen instructions, and click [Create & Download] to send the CSR to the certificate authority and obtain a certificate from the certificate authority to install it.

    • For a certificate issued by an external certificate authority
      Select [Import the certificate and private key you already have], input the required items according to the on-screen instructions, and click [Import].

      • You can import a certificate in PKCS#12 format.

  7. Select [Enable] for the protocol you want to apply the encryption to.

  8. Click [Apply].


Exporting a certificate

Depending on the SSL/TLS communication function, your PC or mobile device may require to trust the machine's certificate.

To trust the machine's certificate, export the machine's certificate and import it into the trusted certificate store of the PC or mobile device.

  1. Open the web page of this machine.

    Opening the web page

  2. Log in as an administrator.

    Logging in as an administrator
  3. Select [Network Setup].
  4. Click the Menu button on the upper right corner, and then select [Security] - [Communication Encryption (SSL/TLS Server Certificate)].

  5. Select [Export Certificate] to export the certificate.

    •  The certificate is exported in the PEM format.