27 February 2012 The Scrubber.exe utility will clean up LaserJet software components from your PC that were not properly removed during the product software uninstall operations. This Scrubber removes software components for several LaserJet products released after 1 January 2011. Recommended clean-up procedure: 1. Uninstall all LaserJet products installed after 1 January 2011 (Select reboot later). 2. Run Scrubber.exe 3. Reboot your PC. Install new LaserJet product software as desired.