Image Quality Adjustment 4-154Special Scanning FeaturesImage Quality AdjustmentYou can adjust the scan exposure to erase the background colour of the original, or prevent theoriginal image on the reverse side of thin originals from appearing on the scanned pages.IMPORTANT• Press [A] (Auto) if you want to set the machine to automatically adjust the scan exposure (see"Automatic Exposure Adjustment," on p. 3-18).• If [A] (Auto) is selected as the scan exposure on the Scan Settings screen, pressing [Image Qual.Adjustment] and making fine adjustments cancels the automatic scan exposure setting. Similarly, if youselect [A] (Auto) for the scan exposure setting when image quality adjustments have been made, theImage Quality Adjustment mode is cancelled, and the automatic scan exposure setting is used instead.• The Remove Background mode cannot be used with the Prevent Bleeding mode.■ Remove BackgroundThis mode enables you to scan by erasing the background colour of the original. This mode is especiallyuseful for scanning originals, such as catalogues and paper, that have turned yellow from age.■ Prevent BleedingThis mode enables you to prevent the original image on the reverse side of thin originals from appearingon the scanned pages.
