Press the "Original type" function key to select "Blueprint" 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 original" when the original has
an extremely dark background (i.e. low contrast).
Make other settings as required.
2.
Feed the original.
3.
Automatic background compensation
Chapter 4 - Use the Océ TDS600 scanner
185