MFC-J6540DW FAQs & Troubleshooting MFC-J6540DW Not your product? Sort by: Updated Date Popularity 2 Results 1. 08/06/2023 I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later). 2. 25/04/2022 Where can I find my Brother machine's serial number? Specification FAQs & Troubleshooting