HL-4040CN FAQs & Troubleshooting HL-4040CN Not your product? Sort by: Updated Date Popularity 4 Results 1. 06/01/2023 Delete print jobs from the print queue. 2. 03/27/2023 Change the printer driver settings (Windows/macOS) 3. 10/23/2013 How do I improve the color density? (Print Calibration) 4. 10/07/2011 Adjust color settings by using the custom setting in the printer driver Print FAQs & Troubleshooting