Why isn't Scanner displayed in [Scanners and Cameras] in [Control Panel]?

Why isn't Scanner displayed in [Scanners and Cameras] in [Control Panel]?

This is the specification of Windows Me.
The devices displayed in [Scanner and Cameras] are: TWAIN driver, STI used in Microsoft kernel mode driver, or WIA used in new WIA(Windows Image Acquisition) driver based on STI kernel mode driver.