Make sure the MFD is idle — not copying, printing, scanning, or otherwise busy.

Tap the Utility/Counter button. (This is a physical button.)
Tap option 3 — Administrator Settings.

Enter the Administrator password for the MFD; then tap OK.

Tap option 9 — System Connection.

Tap option 1 — OpenAPI Settings.

If SSL and port number options appear, continue to chapter KM - Configure SSL via MFD panel

Tap Access Setting; then set it to Allow.