Select this checkbox to sharpen text in a document or magazine for betterreadability.ImportantAvailable only when the Compress scanned images upon transfer checkboxis not selected.The color tone may differ from the source image due to corrections. In thatcase, deselect the checkbox and scan.NoteScanning takes longer than usual when you enable this function.• Sharpen outlineEmphasizes the outline of the subjects to sharpen the image.• Reduce show-throughSharpens text in an item or reduces show-through in newspapers, etc.• Reduce moireReduces moire patterns.Printed materials are displayed as a collection of fine dots. "Moire" is a phenomenonwhere uneven gradation or a stripe pattern appears when such photos or picturesprinted with fine dots are scanned.NoteScanning takes longer than usual when you enable Reduce moire.• Reduce gutter shadowReduces gutter shadows that appear between pages when scanning open booklets.ImportantAvailable only when the Compress scanned images upon transfer checkboxis not selected.NoteClick Driver in the IJ Scan Utility main screen and scan to correct guttershadows when scanning non-standard size items or specified areas.Refer to "Gutter Correction" for details.• Correct slanted text documentDetects the scanned text and corrects the angle (within -0.1 to -10 degrees or +0.1to +10 degrees) of the document.47