DCP-8070D FAQs & Troubleshooting DCP-8070D Not your product? Sort by: Updated Date Popularity 4 Results 1. 27/08/2014 How do I clean the corona wire? 2. 27/08/2014 How do I clean the scanner to improve the copy or fax quality? 3. 03/02/2009 How do I clean the drum unit? 4. 03/02/2009 How do I clean the laser scanner window? More FAQs Cleaning FAQs & Troubleshooting