One Stop Product Support for Konica Minolta Products. Self-Help Product Support Konica Minolta Business Solutions, U.S.A., Inc.
Hello John,
Thank you for keeping us posted on the status of the issue.
Go to the link: http://onyxftp.mykonicaminolta.com/download/SearchResults.aspx?productid=322
Select Drivers in the left panel. After that select Windows Vista(x64) as your operating system in the right panel and it will start the download for the drivers in the .exe format.
Or you can simply download the file by clicking on the link: http://onyxftp.mykonicaminolta.com/DownloadFile/Download.ashx?fileid=12333&productid=322
Follow the instruction given in the link below to run the driver in the compatibility mode.
You may also refer the below article:
The authentication feature is for the Equipment manufacturer Konica to provide. If you still are not able to get the correct drivers, I would suggest you to get in touch with them.
You can contact Konica support at: http://kmbs.konicaminolta.us/wps/portal/web/home/support/customer-care
Hope the information was useful. Please reply back if you need any further assistance.
Thank you.