Warning Relating to a Digital Certificate Appears

Messages

Cause/What to do

Enter a Server Certificate.

Cause:

You have not selected a file to import.

What to do:

Select a file and click Import.

CA Certificate 1 is not entered.

Cause:

CA certificate 1 is not entered and only CA certificate 2 is entered.

What to do:

Import CA certificate 1 first.

Invalid value below.

Cause:

Unsupported characters are contained in the file path and/or password.

What to do:

Make sure that the characters are entered correctly for the item.

Invalid date and time.

Cause:

Date and time for the printer have not been set.

What to do:

Set date and time using Web Config, EpsonNet Config or the printer's control panel.

Invalid password.

Cause:

The password set for CA certificate and entered password do not match.

What to do:

Enter the correct password.

Invalid file.

Cause:

You are not importing a certificate file in X509 format.

What to do:

Make sure that you are selecting the correct certificate sent by a trusted certificate authority.

Cause:

The file you have imported is too large. The maximum file size is 5KB.

What to do:

If you select the correct file, the certificate might be corrupted or fabricated.

Cause:

The chain contained in the certificate is invalid.

What to do:

For more information on the certificate, see the website of the certificate authority.

Cannot use the Server Certificates that include more than three CA certificates.

Cause:

The certificate file in PKCS#12 format contains more than 3 CA certificates.

What to do:

Import each certificate as converting from PKCS#12 format to PEM format, or import the certificate file in PKCS#12 format that contains up to 2 CA certificates.

The certificate has expired. Check if the certificate is valid, or check the date and time on your printer.

Cause:

The certificate is out of date.

What to do:

  • If the certificate is out of date, obtain and import the new certificate.

  • If the certificate is not out of date, make sure the printer's date and time are set correctly.

Private key is required.

Cause:

There is no paired private key with the certificate.

What to do:

  • If the certificate is the PEM/DER format and it is obtained from a CSR using a computer, specify the private key file.

  • If the certificate is the PKCS#12 format and it is obtained from a CSR using a computer, create a file that contains the private key.

Cause:

You have re-imported the PEM/DER certificate obtained from a CSR using Web Config.

What to do:

If the certificate is the PEM/DER format and it is obtained from a CSR using Web Config, you can only import it once.

Setup failed.

Cause:

Cannot finish the configuration because the communication between the printer and computer failed or the file cannot be read by some errors.

What to do:

After checking the specified file and communication, import the file again.