Import the obtained CA-signed Certificate to the printer.
Make sure that the printer’s date and time is set correctly. Certificate may be invalid.
If you obtain a certificate using a CSR created from Web Config, you can import a certificate one time.
When you import a CA-signed Certificate by selecting the Network Security tab > S/MIME > Client Certificate, you cannot change Sender's Email Address on the Network tab > Email Server > Basic. If you want to change Sender's Email Address, change all signature settings to Do not add signature by selecting the Network Security tab > S/MIME > Basic, and then delete the imported CA-signed Certificate.
Access Web Config, and then select the Network Security tab.
Select one of the following.
Click Import.
A certificate importing page is opened.
Enter a value for each item. Set CA Certificate 1 and CA Certificate 2 when verifying the path of the certificate on the web browser that accesses the printer.
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.