Use for text or line art images.

Use for photographic images or graphics. (Error Diffusion is a method for creating simulated grey images without using true grey dots. Black dots are put in a specific pattern to give a grey appearance.)

Use for photographic images or graphics. This mode is more exact due to using up to 256 shades of grey.

Use for simple colour illustrations that do not use the full colour spectrum. Uses up to 256 colours to create images.

Uses up to 16.8 million colours to scan the image. Although using 24bit Color creates an image with the most accurate colour reproduction, it requires the most memory and has the longest transfer time.

Adjust the setting (-50 to 50) to get the best image. The default value is 0, representing an average and is usually suitable for most images. You can set the Brightness level by dragging the slider to the right or left to lighten or darken the image. You can also enter a value in the box to set the level. If the scanned image is too light, set a lower Brightness level and scan the document again. If the image is too dark, set a higher Brightness level and scan the document again.

You can increase or decrease the contrast level by moving the slider to the right or left. An increase emphasizes dark and light areas of the image, while a decrease reveals more details in grey areas. You can also enter a value in the box to set the Contrast.

You can improve and enhance the quality of your scanned images with this option. The Reduce Noise setting is available when using 24bit Color and scan resolutions of 300 × 300 dpi, 400 × 400 dpi or 600 × 600 dpi.