MFC-3820CN FAQs & Troubleshooting MFC-3820CN Not your product? Sort by: Updated Date Popularity 2 Results 1. 20/11/2014 How to launch and use the DeviceSelector to configure the scanner? (For Macintosh) 2. 27/04/2006 I'm using Macintosh®. What are the settings in the Scanner window used for? English Scan FAQs & Troubleshooting