FAQs & Troubleshooting FAQ Search Results DCP-B7640DW(B) Not your product? Search by FAQ ID number Search Back to FAQs & Troubleshooting. 2 Results 1.faq00100729_001 I cannot print or scan via USB on Fedora 38 or later and on their derivatives (Linux) 2.faq00100729_000 I cannot print or scan via USB on Debian 11 or later, Ubuntu 20.04 or later and on their derivatives (Linux) FAQs & Troubleshooting