HL-3450CN FAQs & Troubleshooting HL-3450CN Not your product? Sort by: Updated Date Popularity 2 Results 1. 29/01/2014 How do I clean the printer to improve the print quality and reduce the risk of paper jams? 2. 29/01/2014 How do I clean the printer to improve the print quality and reduce the risk of paper jams? Cleaning FAQs & Troubleshooting