Link to help from Brother
http://welcome.solutions.brother.com/BSC/public/us/us_ot/en/faq/faqp/000000/000600/000092/faqp000692_001.html?reg=us&c=us_ot&lang=en&prod=2700eus#Xppro
Link from Microsoft for Windows XP Service Pack 2 and Windows Server 2003
http://support.microsoft.com/kb/893225/en-us and http://support.microsoft.com/kb/873147/en-us