A: The print driver appears under “Printers.” You must launch a scanning app (like ScanGear) that accesses the TWAIN driver. Windows’ “Devices and Printers” control panel does not test scanning.
Even without Canon’s TWAIN driver, Windows 10/11 can scan from the iR2420L via (Windows Image Acquisition) over USB. canon imagerunner 2420l scan driver download
If you cannot get the official scan driver to work, consider these alternatives. A: The print driver appears under “Printers