MFC-L3770CDW FAQs & Troubleshooting MFC-L3770CDW Not your product? Sort by: Updated Date Popularity 3 Results 1. 22.11.2018 Curled or wavy 2. 21.09.2018 Envelope creases 3. 24.02.2017 Wrinkled printout Paper Feed / Paper Jam FAQs & Troubleshooting