Epson WF-M4119 Series User Manual page 201

Administrator Information
Related Information
"Application for Configuring Printer Operations (Web Config)" on page 148
&
Updating a Self-signed Certificate
Because the Self-signed Certificate is issued by the printer, you can update it when it has expired or when the
content described changes.
1. Enter the printer's IP address into a browser to access Web Config.
Enter the printer's IP address from a computer that is connected to the same network as the printer.
You can check the IP address of the printer from the following menu.
Settings > General Settings > Network Settings > Network Status > Wired LAN/Wi-Fi Status
2. Enter the administrator password to log in as an administrator.
3. Select in the following order.
Network Security tab > SSL/TLS > Certificate
4. Click Update.
5. 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
6. Specify a validity period for the certificate.
7. Click Next.
A confirmation message is displayed.
8. 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 148
&
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.
>
Advanced Security Settings
201
>
Using a Digital Certificate