MFC-J4420DW FAQs & Troubleshooting MFC-J4420DW Not your product? Sort by: Updated Date Popularity 2 Results 1. 12/14/2021 Print both sides of paper or a booklet automatically (2-Sided/Duplex Printing) 2. 12/24/2014 Print using only the black ink cartridge when the Color cartridges have run out. Print FAQs & Troubleshooting