Canon PIXMA MP280 Series Advanced Manual

Also see for MP280: Manual Getting started guide Manual Getting started Manual

Contents

Canon PIXMA MP280 Series Advanced Manual Manual pdf 523 page image

Advanced Guide > Scanning > Scanning with Other Application Software > Correcting Images and Adjusting Colors withScanGear (Scanner Driver) > Setting ThresholdS307Setting ThresholdThe brightness of color and grayscale images is expressed in a value between 0 and 255. However, increating black and white images, all colors are mapped to either black (0) or white (255). "Threshold" isthe borderline value that determines a color as black or white. By adjusting the threshold level, you cansharpen text in a document or reduce show-through in newspapers.This function is available when Color Mode is Black and White.In ScanGear (scanner driver)'s Advanced Mode tab, click (Threshold).NoteClick Defaults to reset all adjustments in the current window.Adjusting ThresholdMove (Slider) to the right to increase the threshold value and thus increase the black areas. Move theslider to the left to decrease the value and thus increase the white areas. You can also enter a value (0 to255).Page topPage 523 of 707 pagesSetting Threshold