1. Enter the IP address of the printer in the browser address bar of a Windows desktop computer or notebook computer, and the printer's EWS will open immediately.

2. In EWS, click the Network tab.

3. Click the plus sign next to Advanced Settings, expand the list, and then click Certificates.

4. Click Configure, select Create a new self-signed certificate, and then click Next.

5. Click Finish. The printer will generate a new certificate with a default validity of 10 year.