Vuquest 3320g User Guide 161
This filter typically provides better JPEG compression than the standard E - Edge
Sharpen command (see page 155). This filter also works well when shipping pure
black and white images (1 bit per pixel). The optimal setting is 26U.
0U Document image filter Off (default)
26U Apply document image filter for typical document image
nU Apply document image filter using grayscale threshold n. Use lower
numbers when the image contrast is lower. 1U will have a similar effect to
setting E - Edge Sharpen (see page 155) to 22e. Range: 0-255.
V - Blur Image
Smooths transitions by averaging the pixels next to the hard edges of defined lines
and shaded areas in an image.
0V Don’t blur (default)
1V Blur
Example of Document
Image Filter set to 0U:
Example of Document
Image Filter set to 26U:
Example of Blur Image Off (0V): Example of Blur Image On (1V):
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