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Manual Page 43
C.2.3.5 Threshold
Picture 31: Threshold selector
If color mode is set to either binary or enhanced halftone, Threshhold is selectable.
Dynamic If threshold is set to Dynamic, the result is better on low contrast
documents.
Fixed If set to Fixed, the function is disabled.
C.2.3.6 Despeckle
Picture 32: Despeckle selector
If color mode is set to either binary or enhanced halftone, Despeckle is selectable.
When scanning in binary or enhanced halftone, speckles (small dots which are actually
extra pixels visible to the scanner) may appear on the image. Speckles can be caused by
dust, scratches or imperfections in the print of the source document.
Selecting Despeckle removes these imperfections from the scanned image.
4x4 Positive Activates the function.
Off Disables the function.
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