brightness level. As the gamma value is adjusted higher, the tone curve bends and the
highlights of the image are expanded, lightening the highlights without overall lightening
the image with white as seen with raising the brightness level.
Auto Density
Enable Auto Density, allows the network scanner to automatically adjust the image
density to the optimal that best suited to the quality of the original. Dark texture
originals (such as newspaper or recycled paper) will be copied so that background will
not be reproduced.
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