Oki OKIPAGE 8c Colour Manual
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Also See for OKIPAGE 8c:
- Maintenance manual (199 pages) ,
- User manual (48 pages) ,
- Colour manual (24 pages)
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Table of Contents
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Summary of Contents for Oki OKIPAGE 8c
- Page 1 Colour Guide...
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Page 2: Brilliant Colour From Oki
OKIPAGE 8c set-up and configuration for specific options. We are sure that you will find the OKIPAGE 8c 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 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... -
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 their significance: presence of: 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... -
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... -
Page 9: Neutral Colours
The OKIPAGE 8c 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. e.g. 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... -
Page 11: The Problems With Using Colour
Colour Management Systems (CMS) such as those found in first viewed, and a printer which produces the final document the OKIPAGE 8c printer driver, allow for any mismatches that use 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... - Page 13 To maintain colour consistency it is recommended that OKI original consumables The amount of red, green and blue present in a colour is usually are used as they are specifically manufactured for the expressed as a number from 0 to 255.
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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 shows problems as described above then image containing 50% grey will contain cells that have half refer to your User’s Guide in the section entitled “Adjusting... -
Page 15: Colour Adjustments
To compensate for this, increasing colour saturation while balancing the image. the OKIPAGE 8c has a colour adjustment system that can Another method of decreasing strong colours is to increase reduce the amount of any of the process colours put on the the lightness setting in the printer driver. -
Page 16: The Okipage 8C Printer Driver
There are various features designed to allow you to achieve Colour Matching the best results with your OKIPAGE 8c. The Colour Options This option, when selected, allows the printer driver to adjust output data tab within the printer driver provides a list of colour matching to specify how colours in the document will match those printed. -
Page 17: Halftone Settings
This allows Windows to handle the colour matching operation, but may This is only found under the bitmap tab and prints pixels as close as not provide satisfactory results as it is not specific to your OKIPAGE 8c. possible to the specified density. Any variation from the data specified is A further drop down list allows you to select the colour rendering intent. -
Page 18: Colour Settings
No colour matching is performed and data is sent directly to the printer. Printed colours may not match those specified within the document. Monochrome All colour data is converted to greyscale and sent to the printer as black and white with halftone. OKIPAGE 8c... -
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: Colour Separations
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... - 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.
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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... -
Page 23: Index
... 21 problems with ....... 11 print mode registration ......14 halftone option on OKIPAGE 8c ..16 settings ........18 setting on OKIPAGE 8c ..17 printer driver ......16 colour management system ..19 halftoning ......... 21 colour matching highlight ........ - Page 24 ....... 22 saturation ........22 secondary colour ....7, 22 spot colour ........ 22 subtractive primary ..... 8 OKIPAGE 8c...
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