Disconnect the USB cable at the printer.Close all running applications - including antivirus software.Regarding Administrator users, please refer to the Mac OS X owner's manual. Login with a user name with the Computer administrator account type to delete the MP drivers.(You cannot choose which one to delete or which one to keep.) Install the printer driver with the CD-ROM prepackaged with the printer or download it from the Canon website to reinstall. When multiple Canon inkjet printer drivers or Canon scanner drivers such as ScanGear MP or ScanGear CS are installed in the computer, perform the following to delete them ALL.Reinstall the drivers if error messages occur or if the device does not operate correctly. Uninstalling and Reinstalling the MP Drivers If the MP Navigator or the MP drivers are no longer required, or if they are not installed correctly, uninstall them.
