Adjusting Image Density
To adjust image density, press [] or [
], at the right and left of [Auto Density]. These keys increase or decrease the image density in single increments up to 7.
Selecting [Auto Density] corrects scanning density to improve resolution of paper types such as non-white paper like newspaper or transparent originals.

When scanning originals in full color, you can specify the [Auto Density] level in the following setting item.