MFC-J3940DW FAQs & Troubleshooting MFC-J3940DW Not your product? Sort by: Updated Date Popularity 5 Results 1. 19/12/2022 One or more of my colors are not printing (blank). 2. 19/12/2022 Improve poor print quality. 3. 28/06/2022 Check the Print Alignment from Your Brother Machine 4. 28/06/2022 Check the Print Quality 5. 30/11/2021 Change the Print Options to Improve Your Print Results Print FAQs & Troubleshooting