Hi jdgva1988.
If the USB cable is connected to a hub, please connect it directly to the computer. If it is already connected to the computer, please try using a different port or USB cable.
If the issue persists, after trying the steps above, please call call our Enterprise & Desktop Solutions Divisions at 1-866-261-9362 or 1-800-OK-CANON (652-2666), Monday - Friday 10:00 a.m. to 6:30 p.m. ET (excluding holidays).