Epson WF-3820 Series, User Manual

Page: 371 / 378

Problems on Using a Digital Certificate
Cannot Import a CA-signed Certificate
CA-signed Certificate and the information on the CSR do not match.
If the CA-signed Certificate and CSR do not have the same information, the CSR cannot be imported. Check the
following:
❏
Are you trying to import the certificate to a device that does not have the same information?
Check the information of the CSR and then import the certificate to a device that has the same information.
❏
Did you overwrite the CSR saved into the printer after sending the CSR to a certificate authority?
Obtain the CA-signed certificate again with the CSR.
CA-signed Certificate is more than 5KB.
You cannot import a CA-signed Certificate that is more than 5KB.
The password for importing the certificate is incorrect.
Enter the correct password. If you forget the password, you cannot import the certificate. Re-obtain the CA-signed
Certificate.
Related Information
&
“Importing a CA-signed Certificate” on page 366
Cannot Update a Self-Signed Certificate
The Common Name has not been entered.
Common Name must be entered.
Unsupported characters have been entered to Common Name.
Enter between 1 and 128 characters of either IPv4, IPv6, host name, or FQDN format in ASCII (0x20-0x7E).
A comma or space is included in the common name.
If a comma is entered, the Common Name is divided at that point. If only a space is entered before or after a
comma, an error occurs.
Related Information
&
“Updating a Self-signed Certificate” on page 367
Cannot Create a CSR
The Common Name has not been entered.
The Common Name must be entered.
Administrator Information
>
Advanced Security Settings
>
Solving Problems for Advanced Security
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