MacBook Pro won't recognize Canon MP800, even after reloading print drivers

Time Warner Cable updated servers. We had to update the DNS address for the MacBook Pro to maintain internet access. After doing this MacBook Pro doesn't recognize the Canon MP800 printer - shows no print drivers for Canon IJ Network , even after reinstalling printer software and downloading print drivers from Canon website - MPNavigator 2.0 keeps saying print driver has not installed. The MacBook is wirelessly networked with the printer and an EMac. We haven't updated the DNS address for the EMac because it still recognizes the printer and prints; however, we now don't have internet access with EMac as a result.

If printing wirelessly check your printer sharing settings - System Preferences/Sharing
If printer is connected directly to your computer, check your printer connections, read the troubleshooting section in your printer manual and check the printer manufacturer website for drivers you may need to update.

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