HL-2240D FAQs & Troubleshooting HL-2240D 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