To use this software, be sure to install the scanner driver. If you have problems installing drivers or your printer and scanner are not working properly.You can read how to fix these problems here. Brother DCP-T420W, Brother DCP-T420W-V ...
If you installed the driver from the Brother CD or Full Driver & Software Package, uninstall the software and drivers from Brother Utilities. If you cannot uninstall the software and drivers from Brother Utilities, use theUninstall Tool.