Epson WF-7840 Series User Manual page 427

Administrator Information
3. Enter Common Name.
You can enter up to 5 IPv4 addresses, IPv6 addresses, host names, FQDNs between 1 to 128 characters and
separating them with commas. The first parameter is stored to the common name, and the others are stored to
the alias field for the subject of the certificate.
Example:
Printer's IP address : 192.0.2.123, Printer name : EPSONA1B2C3
Common name : EPSONA1B2C3,EPSONA1B2C3.local,192.0.2.123
4. Specify a validity period for the certificate.
5. Click Next.
A confirmation message is displayed.
6. Click OK.
The printer is updated.
Note:
You can check the certificate information from Network Security tab > SSL/TLS > Certificate > Self-signed Certificate
and click Confirm.
Related Information
"Application for Configuring Printer Operations (Web Config)" on page 300
&
Configuring a CA Certificate
When you set the CA Certificate, you can validate the path to the CA certificate of the server that the printer
accesses. This can prevent impersonation.
You can obtain the CA Certificate from the Certification Authority where the CA-signed Certificate is issued.
Importing a CA Certificate
Import the CA Certificate to the printer.
1. Access Web Config and then select the Network Security tab > CA Certificate.
2. Click Import.
3. Specify the CA Certificate you want to import.
4. Click OK.
When importing is complete, you are returned to the CA Certificate screen, and the imported CA Certificate is
displayed.
Related Information
"Application for Configuring Printer Operations (Web Config)" on page 300
&
>
Advanced Security Settings
427
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Using a Digital Certificate