FAQs & Troubleshooting FAQ Search Results HL-3040CN Not your product? Search by FAQ ID number Search Back to FAQs & Troubleshooting. 2 Results 1.faq00002977_006 Verify the Brother machine connected to the Wired Network (For Macintosh) 2.faq00002977_004 Verify the Brother machine connected to the Wired Network (For Windows) FAQs & Troubleshooting