Oki OKIPAGE 8c Plus Colour Manual
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Oki OKIPAGE 8c Plus Colour Manual

Oki OKIPAGE 8c Plus Colour Manual

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Colour Guide

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Summary of Contents for Oki OKIPAGE 8c Plus

  • Page 1 Colour Guide...

  • Page 2: Brilliant Colour From Oki

    OKIPAGE 8c Plus set-up and configuration for specific options. We are sure that you will find the OKIPAGE 8c Plus an excellent part of your departmental printing soloution. If you have any comments with regard to the content of this document, then please let us know through your local Oki representative.

  • Page 3: Table Of Contents

    The electromagnetic spectrum ........6 Colour registration ..........14 Colour adjustments ..........15 Primary and secondary colours ........7 The OKIPAGE 8c Plus printer driver ...... 16 Additive and subtractive primaries ......7 Print Modes ............16 Additive primaries ..........8 Halftone Settings ..........

  • Page 4: The Use Of Colour

    For example, using red to highlight negative figures in a spreadsheet. The use of colour should be considered an integral part of any presentation or document and not added at the end as an afterthought. OKIPAGE 8c Plus...

  • Page 5: Colour Perception

    Colour perception The following examples list some widely used colours and Colour does not exist by itself but is dependent on the presence of: their significance: This is a very powerful and passionate colour. The power and passion • a light source that it portrays has made it a favourite for many exotic sports cars.

  • Page 6: The Electromagnetic Spectrum

    400nm is interpreted as violet. 1 micrometre = 1×10 metre (0·001mm) 1 nanometre = 1×10 metre (0·000001mm) 1 picometre = 1×10 metre (0·000000001mm) 1 fentometre = 1×10 metre (0·000000000001mm) OKIPAGE 8c Plus...

  • Page 7: Primary And Secondary Colours

    Primary and secondary colours Additive and subtractive primaries In theory, all colours can be made up from a very small group Primary colours can be split into two categories which are of ‘colour elements’. There are three primary colours, and termed additive and subtractive.

  • Page 8: Additive Primaries

    Traditional CMYK print standard dot display Trinitron™ display OKIPAGE 8c Plus...

  • Page 9: Neutral Colours

    The OKIPAGE 8c Plus uses separate cartridges of cyan, magenta, yellow and black toner to...

  • Page 10: Colour Wheel

    • each colour is a secondary colour of the two colours either side of it. For example, mixing equal quantities of yellow and magenta will produce red. • a colour is directly opposite its complement. Colour Wheel showing RGB (circles), CMY (squares) and their first set of intermediate colours. OKIPAGE 8c Plus...

  • Page 11: The Problems With Using Colour

    Colour Management Systems (CMS) such as those found in the viewed, and a printer which produces the final document use OKIPAGE 8c Plus printer driver, allow for any mismatches that different methods to generate colours. Indeed they are based may occur between the RGB and CMYK conversion process.

  • Page 12: Specifying Colour

    Then use the component amounts regardless of what is displayed on the monitor. LIGHTNESS Commonly used models are: • HSL • HSB • CMY(K) • RGB • CIE, CIELab, CIELuv • YCC OKIPAGE 8c Plus...
  • Page 13 RGB components should be entered regardless of the colours components. displayed on-screen. To maintain colour consistency it is recommended that OKI original consumables are used as they The amount of red, green and blue present in a colour is usually are specifically manufactured for the OKIPAGE 8c Plus.

  • Page 14: Printing Colour

    (much like a grid). The patterns within the cell are then altered to obtain the required amount of greyscale. An area of an If your OKIPAGE 8c Plus shows problems as described above image containing 50% grey will contain cells that have half then refer to your User’s Guide in the section entitled “Adjusting...

  • Page 15: Colour Adjustments

    To yellow. This has the advantage of increasing colour saturation compensate for this, the OKIPAGE 8c Plus has a colour adjustment while balancing the image. system that can reduce the amount of any of the process colours Another method of decreasing strong colours is to increase the put on the page in relation to the others.

  • Page 16: The Okipage 8C Plus Printer Driver

    ‘Printer Colour Matching’. These settings tab within the printer driver provides a list of colour matching will produce the best results from your OKIPAGE 8c Plus in techniques and adjustments which can be applied to your most situations. It is sometimes necessary to use other settings graphics and text to provide the optimum balance of colour to allow a certain effect to be achieved.

  • Page 17: Halftone Settings

    This matching technique is optimized for the and note its RGB component values. Then input these into your OKIPAGE 8c Plus and replaces the one normally performed application program to achieve an exact match on the printer. by Windows.

  • Page 18: Manual Colour Ajustment

    Colours are printed as closely as possible to the colours dull (negative adjustment) or vivid (positive adjustment). seen on screen, emphasizing vividness. Vivid Colour Colours are printed as brightly and vividly as possible, i.e. colours are more saturated and vibrant. OKIPAGE 8c Plus...

  • Page 19: Glossary

    Glossary Brightness Colour models Along with hue, and saturation, brightness is one of the three dimensions A colour model is a system that allows colours to be arranged or identified. of colour. It is the property that describes the intensity of light reflected There are various models in existence, with some more suitable to specific or transmitted by an object or source, independent of hue or saturation.
  • Page 20 Note that all colour models are not colour spaces in their own The error between a pixel and its intended value is propagated to adjacent right. pixels to produce a balanced overall effect. Results may sometimes appear grainy. OKIPAGE 8c Plus...
  • Page 21 Grayscale Moiré pattern Differing shades of grey ranging from black to white. Eight bits of data This is an undesirable pattern that occurs due to pixel (or) dot placement. will produce (2 ) 256 shades of grey. The eye is able to pick up repetitive patterns that exist within an image. These can be eliminated during print by careful selection of screen angles.

  • Page 22: Secondary Colour

    These colours are required when the end result is of paramount importance (such as within a corporate logo) as there is a substantial increase in cost. A separate plate is also required. OKIPAGE 8c Plus...
  • Page 23 ....17 subtractive primaries ....21 printing ........14 print mode problems with ......11 halftone option on OKIPAGE 8c Plus ... 16 registration ......14 setting on OKIPAGE 8c Plus ..17 printer driver .......16 colour management system ..19 halftoning ........21 colour matching highlight ........21...
  • Page 24 ......... 22 saturation ........22 secondary colour ....7, 22 spot colour ........22 subtractive primary ....... 8 OKIPAGE 8c Plus...

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