MFC-L3770CDW FAQs & Troubleshooting MFC-L3770CDW Not your product? Sort by: Updated Date Popularity 5 Results 1. 11/02/2021 Configure Public Mode for Secure Function Lock 3.0 2. 20/12/2018 Set the Setting Lock Password 3. 20/12/2018 Turn Setting Lock On 4. 20/12/2018 Change the Setting Lock Password 5. 20/12/2018 Configure Secure Function Lock 3.0 Using Web Based Management More FAQs Advanced Functions (for Administrators) FAQs & Troubleshooting