Quote Originally Posted by MBSupport View Post
There is a known issue connecting to printers with older firmware on 3.7. If you suspect you have this issue you will likely need to downgrade to 3.6. Please contact support@makerbot.com with this issue and we would be happy to help!
Now everything is fine. Thanks for the email though. I did call in once, but the waiting time is too long so I give up. the online support system want me to pay to open a case for this. Is Newegg.com a official redistributor of Makerbot?