Brother MFC-9440CN - Manual (Page 68)

Security features
60
9
d
Type “https://printer’s IP address/” into your browser to access your printer (where “printer’s IP address”
is the printer’s IP address or the node name).
Then, click Continue to this website (not recommended).
e
Click Certificate Error, and then click View certificates.
f Choose the Details tab, and then click Copy to File....