Xerox 4799 manual Perform Color Correction, Automatic Color Detection Options

Scanning from TWAIN and WIA

This option is only available when scanning in grayscale or black and white. The example below shows the original text with a red watermark and the resulting image with the color removed.

Perform Color Correction

Apply color correction to the image so the displayed colors approximate the original item colors. Select this option to use the scanner’s default Gamma table which has been calibrated to produce the best quality color results for your scanner. When this option is not selected, the resulting scans will be dark and the brightness, contrast, and gamma options will require a greater amount of adjustment to affect the overall lightness of the image.

Automatic Color Detection Options

Select Automatic in the document source configuration list to enable these options. When you have selected the automatic color mode, you will also need to choose either Gray or Black & White.

•Ignore document color—select this option to have the scanner ignore the color of the document when determining if the scan should be saved as a color image.

•Color percentage—input the percentage of color pixels the scanner should look for to detect and save a color image. The scanner determines color versus black-and-white by comparing the amount of color to the amount of black in the image. The higher the value you set in this field, the more color is needed in the original item to detect and save it as a color image. You can set the color percentage level up to 50%. This means that only those documents which have more than 50% of the content in color will be saved as a color image.

Advanced Panel Options

The options in this panel may also appear in the Main panel, but with additional settings for you to fine-tune the feature you've selected. Select the Advanced source configuration mode to show this panel.

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