Specifications

Image Quality
Copyright © 2009 BERTL Inc. September 25, 2009
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RISO ComColor 9050
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N4 Wine and Tableware from ISO 12640 Graphic technology – Prepress digital data
exchange – CYMK standard color image data (CYMK/SCID). Image in both color
and grayscale of glassware and silverware used to evaluate the reproduction
characteristics of highlight tones and neutral colors.
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N3 Fruit Basket from ISO 12640 Graphic technology – Prepress digital data
exchange – CYMK standard color image data (CYMK/SCID). Image in both color
and grayscale of a fruit basket cloth and wood used to evaluate the reproduction of
brown colors and fine texture.
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N6 Orchid from ISO 12640 Graphic technology – Prepress digital data exchange –
CYMK standard color image data (CYMK/SCID). Image in both color and grayscale
of an orchid with background vignettes used to evaluate reproduction of highlight and
shadow vignettes.
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N7 Musicians from ISO 12640 Graphic technology – Prepress digital data exchange
– CYMK standard color image data (CYMK/SCID). Image in both color and
grayscale of three women used to evaluate the reproduction of different skin tones
and fine image detail.
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N8 Candle from ISO 12640 Graphic technology – Prepress digital data exchange –
CYMK standard color image data (CYMK/SCID). "Low-key" image in both color and
grayscale of a room scene containing miscellaneous objects used to evaluate dark
colors, particularly browns and greens.
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Pantone® test chart containing 30 color chips that represent real world colors in the
CMYK color space used to evaluate color fidelity.
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Synthetic image S6 from ISO 12640 is 2,512 pixels by 3,048 pixels and contains 8
strips, each of which is a continuous vignette 256 pixels by 3,032 pixels. The
vignettes range from 0% to 100% dot area for each of the four separation colors and
the two- and three-color combinations of cyan, magenta and yellow. Used for
extended evaluation of color fidelity.
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Synthetic image S8 from ISO 12640 consists of 8 rows of 13 patches and represents
the basic data set as defined in ISO 12642. It is 2,288 pixels by 1,056 pixels. The
physical arrangement of all patches in each set is the same to allow the patches to be
on common centers which facilitate automated colorimetric or densitometric reading
equipment. All patches in the primary set are 160 pixels square and separated from
the adjacent patch by 16 pixels. Those in the alternate set are 120 pixels square and
separated by 12 pixels. In addition there is a border of 8 pixels (6 in the alternate set)
on the outside of each group. Thus, when groups are butted next to each other the 16
pixel (or 12 pixel) spacing is preserved. Each patch, when output at the stated
resolution, will be 10 mm square. Used for extended evaluation of color fidelity.