The following scanning resolutions can be specified when Document Type is Text(OCR).300 dpi / 400 dpiDescreenSelect this checkbox to reduce moire patterns.Printed photos and pictures 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 dots arescanned. 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.Reduce Show-throughSelect 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).NoteSelect this checkbox when Document Type is text document and show-through is apparent in thescanned image.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).Remove gutter shadowSelect this checkbox to correct shadows that appear between pages when scanning open booklets.ImportantYou cannot select this checkbox when Document Size is Auto Detect, Auto Detect (MultipleDocuments) or Stitch Assist.Align the document correctly with the alignment mark on the Platen.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 or 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 fonts386از673Scan Settings Dialog Box (Photos/Documents)
