MFC-7860DN FAQs & Troubleshooting MFC-7860DN Not your product? Sort by: Updated Date Popularity 4 Results 1. 10/07/2015 Clean the paper pick-up roller (video instructions available) 2. 06/08/2012 Clean the drum unit 3. 03/08/2012 Clean the paper pick-up roller. 4. 15/11/2011 Clean the scanner to improve the copy or fax quality. Cleaning FAQs & Troubleshooting