Scanning 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 phenomenon whereuneven gradation or a stripe pattern appears when such photos or pictures printed with fine dotsare scanned.NoteScanning takes longer than usual when you enable Reduce moire.• Reduce gutter shadowReduces gutter shadows that appear between pages when scanning open booklets.ImportantThis function is available only when scanning from the platen.Available only when the Compress scanned images upon transfer checkbox is notselected.NoteUse ScanGear (scanner driver)'s Advanced Mode tab to correct gutter shadows whenscanning non-standard size items or specified areas.Refer to "Gutter Shadow Correction" for your model from Home of the Online Manual fordetails.• Correct slanted text documentDetects the scanned text and corrects the angle (within -0.1 to -10 degrees or +0.1 to +10degrees) of the document.ImportantThe following types of documents may not be corrected properly since the text cannot bedetected correctly.Documents in which the text lines are inclined more than 10 degrees or the angles varyby lineDocuments containing both vertical and horizontal textDocuments with extremely large or small fontsDocuments with small amount of textDocuments containing figures/imagesHand-written textDocuments containing both vertical and horizontal lines (tables)NoteScanning takes longer than usual when you enable Correct slanted text document.• Detect the orientation of text document and rotate imageAutomatically rotates the image to the correct orientation by detecting the orientation of text in thescanned document.ImportantOnly text documents written in languages that can be selected from Document Languagein the Settings (General Settings) dialog box are supported.Settings (General Settings) Dialog BoxThe orientation may not be detected for the following types of settings or documents sincethe text cannot be detected correctly.Resolution is outside the range of 300 dpi to 600 dpiFont size is outside the range of 8 points to 48 pointsDocuments containing special fonts, effects, italics, or hand-written textDocuments with patterned backgroundsIn that case, select the Check scan results checkbox and rotate the image in the SaveSettings dialog box.