HP Deskjet F4240 All-in-One Printer - Manual (Page 146)

7. Click Next through all of the screens that appear in the Wizard to install the USB
Composite Device.
8. Click Finish to finish the installation.
9. Try to scan again.
10. If these steps do not resolve the problem, try using a different USB cable to
connect the product to the computer.
Cause: Communication problems between the product and the USB controller
caused this error to occur. This might be caused by an incomplete installation, a USB
cable longer than 3 meters (9.8 feet) in length, or a defective USB cable.
If this did not solve the issue, try the next solution.
Solution 3: Check the Digital Imaging Monitor
Solution: Verify that the Digital Imaging Monitor is running.
To check that the Digital Imaging Monitor is running
1. Look for the Digital Imaging Monitor icon in the system tray at the lower right
side of the screen, near the time.
2. If the Digital Imaging Monitor icon is not present, restart the computer.
3. After the computer restarts, try to scan again.
Cause: The Digital Imaging Monitor was not running.
If this did not solve the issue, try the next solution.
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