Brother HL 3070CW - Manual (Page 120)

Security features
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c 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).
d Click Certificate Error, and then click View certificates. For the rest of the instructions, follow the steps
from d on page 117.