MFC-8840DN FAQs & Troubleshooting MFC-8840DN Not your product? Sort by: Updated Date Popularity 3 Results 1. 06/01/2023 Delete print jobs from the print queue. 2. 03/27/2023 Change the printer driver settings (Windows/macOS) 3. 01/17/2014 Where is the Auto 2-sided(Duplex) setting option in the Mac OS X 10.3 driver or greater? Print FAQs & Troubleshooting