It is crucial to understand that the tool alone does not drain or physically clean the ink pads. It simply resets the internal counter. While this works perfectly to get the printer printing again, you should be aware that the physical pads are likely still saturated, so you may want to place the printer on an absorbent surface or consider a physical pad replacement down the line.
While it is a powerful diagnostic tool, it is not officially distributed to the public by Canon, and improper use can permanently lock your printer's motherboard. Key Features of V6000