FAQs & Troubleshooting FAQ Search Results HL-2140 Not your product? Search by FAQ ID number Search Back to FAQs & Troubleshooting. 2 Results 1.faq00000063_025 How do I print envelopes from the manual feed slot in Windows applications? 2.faq00000063_026 Print envelopes from the manual feed slot in Macintosh applications. FAQs & Troubleshooting