MFC-9330CDW FAQs & Troubleshooting MFC-9330CDW Not your product? Sort by: Updated Date Popularity 5 Results 1. 06/22/2015 Clean the scanner to improve the copy or fax quality 2. 02/14/2013 Clean the LED head 3. 02/14/2013 Clean the paper pick-up roller 4. 02/14/2013 Clean the drum unit 5. 01/29/2013 Clean the corona wires Cleaning FAQs & Troubleshooting