MFC-L3770CDW FAQs & Troubleshooting MFC-L3770CDW Not your product? Sort by: Updated Date Popularity 3 Results 1. 01/07/2019 Load Paper in the Multi‑purpose Tray (MP Tray) 2. 11/28/2018 Load Paper in the Paper Tray 3. 10/24/2018 Load Documents in the Automatic Document Feeder (ADF) Paper Feed / Paper Jam FAQs & Troubleshooting