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.Note• Scanning takes longer than usual when you enable Reduce moire.Reduce gutter shadowReduces gutter shadows that appear between pages when scanning open booklets.Note• Click Driver in the IJ Scan Utility main screen and scan to correct gutter shadows whenscanning 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 +0.1 to +10degrees) of the document.Important• The 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 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• Hand-written text• Documents containing both vertical and horizontal lines (tables)Note• Scanning 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 inthe scanned document.Important• Only text documents written in the language selected from Document Language in theSettings (General Settings) dialog are supported.• The 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 dpi• Font size is outside the range of 8 points to 48 points• Documents containing special fonts, effects, italics, or hand-written text• Documents with patterned backgrounds158