Cannot Scan a Document

Is your computer working properly?
NO
Restart your computer.
YES
Has the MF Toolbox been installed?
NO
Install it.
YES
Is your USB hub or repeater working properly?
NO
Connect the USB cable directly to a computer and scan your document to see if it works properly. If the scan completes successfully, make sure that your USB hub or repeater works properly.
YES
Are you using a USB 2.0-compatible USB hub?
YES
Follow the steps in the procedure below:
Connect a USB cable directly to the computer.
If your computer has two or more USB ports, connect the machine to another USB port.
NO
After installing the software that comes with this machine, did you install a TWAIN-compatible application?
YES
There is a possibility that TWAIN may have been replaced by a wrong one. If this happens, you are unable to perform a scan. To solve the problem, uninstall the software and install it again.
NO
Is the machine recognized in [Scanners and Cameras] in Windows?
NO
Make sure the machine is recognized.
(1) Open the [Scanners and Cameras] folder or [Scanners and Cameras Properties] folder.
(2) The machine is recognized when the driver for the machine is displayed. If not, uninstall the software and install it again.
85RS-040