The dark voltage level of each CCD element is slightly different.Each CCD element has a slightly different sensitivity to light.Lighting is usually uneven from one side of a scan to another.Generally, calibration compensates for three things: This command causes a scanner calibration on those scanners that support it. Input | Preview resolution is set to “Auto” or something less than 300 dpi, this may not work very well.Įjects film from a film scanner or paper from a document feeder. If you’ve created a preview but not a scan, the section of the preview inside the crop box is used, otherwise the most recent scan is used. You need to set Input | Media to “B/W text” for this to work. This command is for Optical Character Recognition (OCR) on the current image and copies the text to the clipboard. The section of the preview inside the crop box is used, If you’ve created a preview but not a scan, This command copies the current image to the clipboard. On Mac OS X, this command is in the VueScan menu. This command sets all options for the current scanner This command lets you save the current options settings to a file. This command lets you load the current options settings from a file. This command prints the current preview or scan. This command lets you control how the scanned image There are a number of commands that can be chosen from the menus in the menu bar which are described below.
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