Adjusting the Scanner
To adjust the scanner, set the supplied Adjustment Sheet (Shading Sheet) in the scanner. Orient the adjusting sheet in the direction indicated by the arrow when setting it in the scanner. After setting the Adjustment Sheet in the scanner, click the Windows Start button and then click Programs (All Programs in the case of WindowsXP), Canon Document Scanner, and then
CAUTION
Before performing scanner adjustment, be sure to clean the sensor glass (see P. 54). Attempting to perform scanner adjustment while the sensor glass is dirty can cause vertical lines in the scanned image. Note that performing scanner adjustment will cause previous adjustment data to be deleted. Once deleted, adjustment data cannot be recovered.
72Troubleshooting