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Xerox
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DocuMate
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4830
User’s Guide
58
• Invert image—reverses the color of each pixel in the scanned image.
When scanning in black and white, each pixel is reversed from black to white and white to black. When
scanning in grayscale each pixel is reversed to the opposite level of gray. When scanning in color each pixel is
reversed to the opposite color in the color wheel.
For example, you might choose this option if you are scanning pages that have been printed from newspaper
microfilm. Newspaper microfilm reverses black and white so that when viewed on a monitor, the text is white
and the paper is black.
The following example shows the original grayscale image and the inverted image.
The following example shows the original color image and the inverted image.
• Skip blank originals—select this option to have the scanner detect if a blank page has been fed through the
scanner, and remove it from the final file. Typically you might use this option when scanning a stack of two-
sided pages which have a number of blank sides.
Sensitivity—you can adjust the sensitivity level of the blank image detection.
Note that when the Options tab feature Use job separator in multi-page batch is enabled, and the option
selected is When a blank page is detected, the sensitivity level for Skip Blank Originals is the sensitivity level
that will be used when both features are enabled.
Note that when the feature Use job separator in multi-page batch is enabled, and the option selected is
When the number of images reaches, the blank originals are discarded before the images are counted. For
example, if you scan 3 pages in duplex mode, each side of the page is counted as an image and the total
number of images is 6. When Skip Blank Originals is enabled, and 2 of the 3 pages in the stack are blank on one
side, the total number of images counted is 4 not 6.