Oce TDS860 User Manual page 147

Set the original type of your image
Press the 'Original type' function key to select the appropriate image type:
1
By default 'Lines / text' is selected with 'Background compensation'
enabled. This is the most suitable setting for originals that contain characters
and line art.
Press the 'Original type' function key to select 'Photo' when the original
consists of a combination of characters, line art and picture images.
If you select 'Photo' or 'Grays&lines', the 'Background compensation'
Note:
will be switched off automatically by default.
Press the 'Original type' function key to select 'Grays & lines' when the
original contains many gray scales and lines.
Press the 'Original type' function key to select 'Blue print' when you want
to copy an original with an image in 'negative' (image in white on dark
background). The copy will be 'positive' (image in black on white
background).
Press the 'Original type' function key to select 'Printed matter' when you
want to copy an original that is already a print itself, containing raster
information.
Press the 'Original type' function key to select 'Dark orig' when the original
has an extremely dark background (i.e. low contrast).
Press the 'Original type' function key to select 'Cut & paste' when the
original contains paste edges.
Make other settings as required.
2
Feed the original.
3
Special copy and scan jobs 147