MW-140BT FAQs & Troubleshooting MW-140BT Not your product? Sort by Updated Date Popularity 2 Results 1. 24/09/2015 The Bluetooth installation asks me for a PIN (or Pass Key). Where can I find this information? 2. 08/08/2006 The print command was sent to the MPrint printer but it does not print. More FAQs (English only) Connecting to a Computer FAQs & Troubleshooting