Make sure that the printer’s date and time is set correctly.
If you obtain a certificate using a CSR created from Web Config, you can import a certificate one time.
Access Web Config and then select the Network Security tab > SSL/TLS > Certificate.
Click Import
A certificate importing page is opened.
Enter a value for each item.
Depending on where you create a CSR and the file format of the certificate, required settings may vary. Enter values to required items according to the following.
Click OK.
A completion message is displayed.
Click Confirm to verify the certificate information.