FAQs & Troubleshooting FAQ Search Results TJ-4121TN Not your product? Search by FAQ ID number Search Back to FAQs & Troubleshooting. 3 Results 1.faqp00100512_001 How to install the Windows driver via Wi-Fi®/ wired network 2.faqp00100512_002 How to install the Mac driver via USB/ Wi-Fi®/ wired network 3.faqp00100512_000 How to install the Windows driver via Wi-Fi®/ wired network FAQs & Troubleshooting