Scanner Does Not Work after Upgrading Windows

Check Disconnect the USB cable, then uninstall (delete) and reinstall MP Drivers and IJ Scan Utility.

Step 1: Uninstall MP Drivers.

Refer to "Deleting the Unnecessary MP Drivers" for your model from Home of the Online Manual for how to delete MP Drivers.

Step 2: Uninstall IJ Scan Utility.
- Windows 8.1/Windows 8:
  1. Click the Settings charm > Control Panel > Programs > Programs and Features.
  2. Double-click Canon IJ Scan Utility.
  3. When a confirmation appears, click Yes.
  4. When uninstallation is complete, click OK.
    
    IJ Scan Utility is deleted.
    
    Note
    - In Windows 8.1 and Windows 8, a confirmation/warning dialog box may appear when installing, uninstalling, or starting up software.
      This dialog box appears when administrative rights are required to perform a task.
      If you are logged on to an administrator account, follow the on-screen instructions.
- Windows 7/Windows Vista:
  1. From the Start menu, select Control Panel > Programs > Programs and Features.
  2. Double-click Canon IJ Scan Utility.
  3. When a confirmation appears, click Yes.
  4. When uninstallation is complete, click OK.
    
    IJ Scan Utility is deleted.
    
    Note
    - In Windows 7 and Windows Vista, a confirmation/warning dialog box may appear when installing, uninstalling, or starting up software.
      This dialog box appears when administrative rights are required to perform a task.
      If you are logged on to an administrator account, follow the on-screen instructions.
- Windows XP:
  1. From the Start menu, select Control Panel > Add or Remove Programs.
  2. Select Canon IJ Scan Utility, then click Change/Remove.
  3. When a confirmation appears, click Yes.
  4. When uninstallation is complete, click OK.
    
    IJ Scan Utility is deleted.
Step 3: Reinstall MP Drivers and IJ Scan Utility.

Reinstall MP Drivers and IJ Scan Utility from the Setup CD-ROM or the web page.