c
Important:
If you obtain a 
certicate
 using a CSR created from Web 
Cong
, you cannot import a deleted 
certicate
 again. In
this case, create a CSR and obtain a certicate again.
1.
Access Web 
Cong,
 and then select the Network Security tab. Next, select SSL/TLS > 
Certicate
 or IPsec/IP
Filtering > Client 
Certicate
 or IEEE802.1X > Client 
Certicate
.
2.
Click Delete.
3.
Conrm
 that you want to delete the 
certicate
 in the message displayed.
Related Information
& “Application for 
Conguring
 Printer Operations (Web 
Cong
)” on page 246
Updating a Self-signed Certicate
Because the Self-signed Certicate is issued by the printer, you can update it when it has expired or when the
content described changes.
1.
Access Web 
Cong
 and select the Network Security tab > SSL/TLS > 
Certicate
.
2.
Click Update.
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. e rst parameter is stored to the common name, and the others are stored to
the alias eld for the subject of the certicate.
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 certicate.
5.
Click Next.
A conrmation message is displayed.
6.
Click OK.
e
 printer is updated.
Note:
You can check the certicate information from Network Security tab > SSL/TLS > Certicate > Self-signed Certicate
and click Conrm.
Related Information
& “Application for Conguring Printer Operations (Web Cong)” on page 246
Administrator Information
>
Advanced Security Settings
>
Using a Digital Certicate
354