Epson ES-580W User Manual page 225

Administrator Information
Cannot Access the Scanner after Configuring IEEE802.1X
The settings of IEEE802.1X are incorrect.
Disable IEEE802.1X and Wi-Fi from the scanner's control panel. Connect the scanner and a computer, and then
configure IEEE802.1X again.
Related Information
"Configuring an IEEE802.1X Network" on page 221
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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 scanner 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 206
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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.
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Advanced Security Settings
225
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Solving Problems for Advanced Security