MFC-8640D FAQs & Troubleshooting MFC-8640D Not your product? Sort by: Updated Date Popularity 4 Results 1. 12/29/2020 Scan a document in OS X 10.8/macOS 10.12 - 10.15. 2. 04/01/2016 I'm using Macintosh. What is the PreScan option used for? 3. 03/24/2016 Scan a document in Mac OS X 10.7. 4. 09/28/2011 Scan a document in Mac OS X 10.6. Scan FAQs & Troubleshooting