MFC-L3770CDW FAQs & Troubleshooting MFC-L3770CDW Not your product? Sort by: Updated Date Popularity 5 Results 1. 24.12.2020 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 Advanced Functions (for Administrators) FAQs & Troubleshooting