Scan Results Not SatisfactoryScan Quality (Image Displayed on the Monitor) Is PoorScanned Image Is Surrounded by Extra White AreasCannot Scan at the Correct SizePosition or Size of the Image Cannot be Detected Correctly When Scanningfrom the Operation PanelItem Is Placed Correctly, but the Scanned Image Is SlantedScanned Image Is Enlarged (Reduced) on the Computer Monitor780