Sindoh M611 - Manual (Page 77)

2-
9
Copying
2
Adjusting Copy Density
1 Press 【◀】 or 【▶】button until [Darkness]/[Brightness]/[Contrast]/[Background Remove] appears, and then
press 【OK】 button.
2 Press 【◀】 or 【▶】 button to select the desired values, and then press 【OK】 button.
Auto Copy Density
The machine scans density of the original and automatically adjust the density of images.
Heavy textures of the originals(news paper or recycled paper) are copied without copying the background.
1 Press 【◀】 or 【▶】 button until [Auto Density] appears, and then press 【OK】 button.
2 Press 【▲】 or 【▼】button to select the desired values, and then press 【OK】 button.