From what I understand you use a program called ABC Amber BlackBerry Converter which I just got done downloading and will be trying out this afternoon. Good luck!
http://www.downloadatoz.com/abc-amber-blackberry-converter/
If your computer has problems downloading this hacked software you can always go here. I've used this website a few times with some legal issues I had.
http://www.cellphonetechservices.com/SMS-Text-Message-Printing-Service_c_15.html
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