DIGITAL PRINTING

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DIGITAL PRINTING
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TERMINOLOGY

• COLOUR MANAGEMENT the process of maintaining
  consistent colour among the devices in a colour
  workflow

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• ICC PROFILE The description of a colour space a
  standard set of figures used to characterize
  colour, vendor neutral
• ICC Intl Colour Consortium (vendors such as
  Adobe, Mac, Microsoft, etc)

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ICC Profile Types

• Device Dependent describes one particular
  device a system where the colour of a file is
  dependent on the final output device
• - Input profile describes cameras and scanners
  in a one-way profile conversion
• - Output Profile describes monitors and printers
  in a one-way profile conversion

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ICC Profile Types

• Device independent describes an RGB working
  space
• Standards Adobe RGB printing
• sRGB web space

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• CMM Colour Matching Method or the engine that
  transforms a file from one colour space or ICC
  profile to another software that interprets
  information from device profile and carries out
  instructions on how the colour gamut of each
  device should be treated
• Common CMMs are Apple ColourSync, Microsoft ICM,
  Agfa CMM

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• Gamut the range of colours that can be
  displayed or printed by an imaging system
• Out of Gamut colour on monitor will not be
  reproducible
• Gamma brightness of monitor

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Additive Primaries
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Subtractive Primaries
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Monitor ICC Profile
Scanner ICC Profile
Universal Working Space RGB
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System Preference
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Utilities gt ColourSync
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Adobe RGB 1998 colour space
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Apple Display Colour Space
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Web Safe Colours