How are you connecting it to your computer, USB, serial, parallel? USB should be the only way that you would need drivers for it.
Also did it come with some kind of design or cutting software? You're going to need that to be able to use the cutter.
I recommend going to
Welcome to the Frontpage and joining their forum, they sell a model mh721 which I believe is the exact same as yours just sold and branded by 2 different companies.