HL-4000CN FAQs & Troubleshooting HL-4000CN Not your product? Sort by: Updated Date Popularity 2 Results 1. 01/27/2014 I was using A5 size paper, but no I want to change it to another size. How should I do? 2. 01/27/2014 How do I load A5 paper? Paper Feed / Paper Jam FAQs & Troubleshooting