8-7Chapter 8 ISIS/TWAIN Driver Settings[Auto Color Detection]The document is detected as black-and-white or colorbefore the scanned image is saved.Selecting this mode enables the [Setting] button foropening the [Auto Image Type Detection Settings] dialogbox, where you can make settings for auto image typedetection. (See “[Auto Image Type Detection Settings]Dialog Box” on p. 8-10.)IMPORTANTDepending on the application program, operation may becomeunstable when [Auto Color Detection] is enabled. In that case,[Auto Color Detection] should be disabled.Page SizeSelect the page size of the document to be scanned.IMPORTANT• Select [Auto-detection] to scan the following kinds ofdocuments.– Documents of a non-standard size– Documents containing pages of different sizes– When using the Long Document mode (See “LongDocument Mode Setting” on p. 3-5.)• When [Auto-detection] is selected, the area settings in theScan Area dialog box are disabled.• The [Auto-detection] process may malfunction in the followingsituations. If this occurs, select a standard size such as [A4] or[Letter], or click the [Area] button to create a custom page size.(See “[Scan Area] Dialog Box” on p. 8-11.)– When scanning a page with a dark area at the left or rightedge– When scanning a glossy or reflective document– When the brightness setting is incorrect– When the Custom setting is selected in the Gamma Settingsdialog box• Depending on the application program, operation maybecome unstable when [Auto-detection] is enabled. In thatcase, [Auto-detection] should be disabled.Dots per inchSelect the scanning resolution.Hint• Higher resolutions provide clearer images, but produce largerfiles.• The [Moire Reduction] setting is enabled when the resolutionis set to 300 dpi or lower, and the [Image Quality] setting isenabled when the resolution is set to 400 or 600 dpi.• The [Advanced Text Enhancement II] mode cannot be usedwhen the resolution is set to 400 or 600 dpi.Scanning SideSelect which page side(s) to scan.[Simplex]Scans the front side (top) of documents.[Duplex]Scans both sides of documents.[Skip Blank Page]As each document page is scanned, its scanned image isjudged as to whether it is blank, and if so, the image is notsaved.