dots may interfere with each other and cause uneven gradation and a stripe pattern in the image.Descreen is the function for reducing this moire effect.ImportantYou cannot select this checkbox when Document Type is Color Photo, Black and White Photo orText(OCR).NoteScanning takes longer than usual when you enable Descreen.Unsharp MaskSelect this checkbox to emphasize the outline of the subjects and sharpen the image.ImportantYou cannot select this checkbox when Document Type is Text(OCR).Prevent show-through of the documentSelect this checkbox to sharpen text in a document or reduce show-through in newspapers.ImportantYou cannot select this checkbox when Document Type is Color Photo, Black and White Photo orText(OCR).Select this checkbox when Document Type is text document and show-through is apparent in thescanned image.Remove gutter shadowSelect this checkbox to correct shadows that appear between pages when scanning open booklets.ImportantAlign the document correctly with the marks on the Platen.Gutter shadows can be corrected only when Document Size is set to a standard size.You cannot select this checkbox when Document Size is Auto Detect, Auto Detect (MultipleDocuments) or Stitch Assist.NoteUse ScanGear's Advanced Mode tab to correct gutter shadows when scanning non-standard sizedocuments or when custom cropping frames are set.For details, see Gutter Shadow Correction in " Image Settings " (ScanGear's Advanced Mode tab).Correct slanted documentSelect this checkbox to detect the scanned text and correct the angle (within -0.1 to -10 degrees or +0.1to +10 degrees) of the document.ImportantYou cannot select this checkbox when Document Type is Color Photo, Black and White Photo.You cannot select this checkbox when Document Size is Stitch Assist.The inclination of the following types of documents may not be corrected, as the text cannot bedetected correctly.- Documents in which the text lines are inclined more than 10 degrees or the angles vary by line.- Documents containing both vertical and horizontal text.- Documents with extremely large or small fonts.- Documents with small amount of text.- Documents containing figures/images or hand-written text.- Documents containing both vertical and horizontal lines (tables).NoteScanning takes longer than usual when you enable Correct slanted document.Detect the orientation of text documents and rotate imagesSelect this checkbox to detect the orientation of the document from the scanned text and rotate thescanned image to the correct orientation. Select the language of the document to be scanned inDocument Language.ImportantPage 366 of 623 pagesScan Settings Dialog Box (Photos/Documents)
