Generating Server Certificate (Self-signed Certificate)

Check that printer is turned on.

Check printer's IP address.

To check the printer's IP address, display it using the operation panel of the printer or print out the network setting information of the printer.

• Display on the LCD.

  • LAN settings

• Print the network settings.

  • Printing Network Settings

When printing the network settings, check the value on "3-2-16 Link Local Address".

Write down the value on "3-2-16 Link Local Address" for your reference when you open Remote UI or generate a server certificate.

Open web browser on your smartphone, tablet, or computer and enter the printer IP address.

Enter as following in the URL field of the web browser.

http://[XXXX::XXXX:XXXX:XXXX:XXXX]

On "XXXX::XXXX:XXXX:XXXX:XXXX", enter the abbreviation value of IPv6 link-local address.

The top screen of Remote UI appears.

Select Log in on Remote UI.

Note

• If you specify the administrator password, enter the password.

Select Security.

Select SSL/TLS settings.

Select Generate key and certificate.

Select Generate self-signed cert.

The Generate self-signed cert screen appears.

Specify each setting item.

• Signature algorithm

  Select SHA256.

• Public key length (bits)

  Select 2048 bits.

• Specify the expiration date.

  Enter the date you generated the server certificate on Valid from.

  Enter the date the server certificate expires on Valid to.

• Enter the common name.

  Enter the abbreviation value of IPv6 link-local address in Common name.

  Note

  • When you enter the common name, add [ ] to each end of the printer's IP address.
  • Do not use a comma or make a space for the common name.

Select Next.

You need not enter anything on Country, State or province, Locality, Organization, Organizational unit or Subject Alternative Names.

Select Generate.

The server certificate starts to be generated.

When the server certificate has been generated, Generated a self-signed certificate. appears.

Select Restart LAN.

LAN will be restarted.

When LAN has been restarted, Printer status on Remote UI appears.

Note

• If you cannot access to Remote UI after you restart LAN, reload your web browser.

Select Security on Remote UI.

Select SSL/TLS settings.

The SSL/TLS settings screen appears.

Select Check key and certificate.

The Check key and certificate screen appears.

Make sure the issuer of the root certificate is displayed on Issued by, and the value you entered on Common name on Subject.