HL-3040CN FAQs & Troubleshooting HL-3040CN Not your product? Sort by: Updated Date Popularity 8 Results 1. 15/03/2023 "Offline" appears on the Status Monitor. 2. 29/06/2018 No Waste Toner 3. 29/06/2018 No Belt Unit 4. 12/11/2012 Drums End Soon/ Drum End Soon(X) 5. 02/11/2012 Drum Error (Drum!) 6. 11/06/2012 No Paper 7. 06/07/2010 Belt End Soon 8. 06/07/2010 WT Box End Soon Error Messages FAQs & Troubleshooting