Hello kevinturman.
The drivers would have to be reinstalled in order to configure the unit to connect to the new router.
Please visit the following link to access the latest downloads:
http://www.usa.canon.com/cusa/support/consumer/printers_multifunction/pixma_mx_series/pixma_mx860#Dr...
If you need additional assistance, feel free to call us at 1-800-OKCANON.
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