MFC-8840DN FAQs & Troubleshooting MFC-8840DN 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? Scan FAQs & Troubleshooting