HL-L2340DW FAQs & Troubleshooting HL-L2340DW Not your product? Sort by: Updated Date Popularity 2 Results 1. 12/20/2018 When I run the Firmware update tool or the I-FAX install tool, the "Program failed to run" message appears on my PC screen. What do I do? 2. 03/25/2016 A message appears informing to "The optical photoconductor needs to be replaced./ The paper tray is almost empty. " on my Macintosh. Error Messages FAQs & Troubleshooting