DCP-L2520DWR FAQs & Troubleshooting DCP-L2520DWR Not your product? Sort by: Updated Date Popularity 4 Results 1. 24/03/2016 Clean the paper pick-up roller 2. 24/03/2016 Clean the drum unit 3. 24/03/2016 Clean the scanner to improve the copy or fax quality. 4. 24/03/2016 Clean the corona wire Cleaning FAQs & Troubleshooting