HL-2270DW FAQs & Troubleshooting HL-2270DW Not your product? Sort by: Updated Date Popularity 3 Results 1. 20.01.2012 Clean the corona wire of the drum unit. 2. 30.07.2010 Clean the paper pick-up roller. 3. 30.07.2010 Clean the Drum Unit. Cleaning FAQs & Troubleshooting