Hi Rachel,
1.Plug the cable to your Mac;
2.You will see a pop up window asking you where you would like to connect the device;
3.Choose to connect it to your virtual machine;
4.The device will be attached to Windows and will be recognized there.
If you face any difficulties with using the device, open Device Manager and check your device. It will usually be under the Imaging Devices or Printers.
If there is an exclamation mark next to it, locate the drivers using installation disk that came with the device or download them from the device manufacturer's site.
Also please refer to this article http://kb.parallels.com/112610 to set up scanner onto Windows virtual machine. Thanks!
Last edited by a moderator: Dec 25, 2015