MFC-9840CDW FAQs & Troubleshooting MFC-9840CDW Not your product? Sort by: Updated Date Popularity 3 Results 1. 10/24/2022 What are supported file formats for the direct print feature? 2. 08/03/2022 How do I use the "Print to file" feature? 3. 09/29/2011 Print data directly from the USB flash memory drive. Print FAQs & Troubleshooting