MFC-8510DN FAQs & Troubleshooting MFC-8510DN Not your product? Sort by: Updated Date Popularity 4 Results 1. 20.01.2014 Clean the drum unit 2. 10.05.2012 Clean the paper pick-up roller. 3. 09.05.2012 Clean the scanner to improve the copy or fax quality 4. 09.05.2012 Clean the corona wire Cleaning FAQs & Troubleshooting