Manual Page 39
B.3.7 Auto Density [Binary]
This control specifies the value used to decide whether a pixel belongs to the background
or to the document.
Default value: 70
Picture 25: Controller for Auto Density
When scanning dark documents, the value should be reduced gradually until the desired
result is achieved.
In general: Valid is, the higher the selected value, the higher must be the contrast
between document and background.
The default value is marked with the green colored character ā70ā at the scale.