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Original types for the scanner
Productive scanner
The original types that you can use for your productive black and white scanner are
listed in the table below.
[25]
Image After an original is scanned, the following functions are
performed.
Lines&text
■ Error diffusion
■ Automatic background compensation (operator choice)
Greys&lines
■ An additional OD in-OD out lookup table is used to get a
smooth greyscale.
■ Automatic background compensation is disabled
■ Manual background compensation can be set.
Photo
■ Dithering
■ Automatic background compensation (operator choice)
Printed matter Printer optimisation to take into account the fact that the original
already is a print itself, containing raster information.
Dark original
■ Error diffusion
■ Manual background compensation
Blueprint
■ (Greyscale) image inversion.
■ Optimised error diffusion for blueprints.