FAX-2920 FAQs & Troubleshooting FAX-2920 Not your product? Sort by: Updated Date Popularity 3 Results 1. 09/10/2014 How do I clean the corona wire? 2. 26/12/2006 How do I clean the laser scanner window? 3. 20/02/2006 How do I clean the scanner glass? More FAQs Cleaning FAQs & Troubleshooting