Uninstalling the Driver
(Windows 7)
To uninstall the driver, follow the procedure below.
Procedure
Switch off the machine, and then disconnect the connector cable
between the computer and the machine.
Log on to Windows as the computer's administrator.
From the Start menu, click Control Panel, and then click Uninstall a
program.
Select the driver of the machine you want to delete by clicking it, and
then click Uninstall.
A deletion confirmation message appears. Click Yes.
From the Start menu, click All Programs, Accessories, Run, and then click