3.9 Background SuppressionBackground suppression subdues or removes unwanted detail (noise,background) from copies. The larger the value specified, the more thebackground is suppressed; the smaller the value specified, the less thebackground is suppressed.A u t oAdjustmentEnables the suppression level to be selected from seven settingsbetween [Minimum] and [Maximum].M a n u a lAdjustmentEnables the suppression level to be selected from thirty-ninesettings between [Minimum] and [Maximum]. This method allowsfor fine adjustments to be made when the difference between thedocument's image area and the background is small.The background level is sometimes difficult to detect automatically. For moreinformation, refer to the next section, "Using [Background Suppression]."Example of an image, such as a blue-print, in which the entire backgroundhas been erased uniformly.Example of an image in which the darkareas in the background of a documenthave been erased.
