OKI C5900N User Manual

A Guide to printing> 41
Mac OS X (Graphic Pro)
1.From the [File] menu, select [Print].
2. From the [Printer] menu  (1), select your printer.
3. In the next menu  (2), select [Printer Features].
4. From the [Feature Sets] menu  (3), select [Colour – 
Graphic Pro 3].
5. For [Black Finish] menu  (4), choose your preferred 
setting.
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A Guide to printing> 42
FINE LINES ENHANCEMENT
This feature can be used to emphasize the pen width of very fine 
lines (minimum line width).
With some software applications, if this feature is turned ON, the 
spaces in bar codes may become too narrow. If this happens, 
turn [Adjust Ultra Fine Lines] OFF.
1.In the driver’s [Job Options] tab, click [Advanced].
2. Click the checkbox to turn on [Adjust Ultra Fine Lines].
If the option is turned on, a check mark appears in the box.
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A Guide to printing> 43
GREYSCALE PRINTING
If you select Greyscale, the printer converts all colours into 
shades of grey, and prints using only black toner.
Use Greyscale to speed up printing  of proof copies or when you 
do not need to print a colour document in colour.
WINDOWS
1. If using the PCL driver, in the driver’s [Setup] tab, choose 
any previously saved [driver settings] you need. See 
“Recalling saved driver settings” on page 32
2. On the driver’s [Colour] tab, click [Greyscale], then click...

A Guide to printing> 44
3.If using the PS driver, on the [Colour] tab, click 
[Greyscale], and then click [Advanced] if you want to 
adjust brightness and contrast.
MACOS 9
1.In your application program, choose [File]  → [Print].
2. From the [Printer] menu  (1), select your printer.
3. From the next menu  (2), select [Colour Options].
4. From the [Colour Mode] menu  (3), select [Greyscale].
5. Select [Always Use Printer Halftone] checkbox  (4).
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A Guide to printing> 45
This ensures best quality when using greyscale.
6. From the menu below [Printer]  (5), select [Job Options].
7. Select the [Use optimised gr eyscale halftones] checkbox 
(6) .
This may slow down printing slightly, but will produce 
superior results.
MACOS X
1. In your application program, choose [File]  → [Print].
2. From the [Printer] menu  (1), select your printer.
3. From the next menu  (2), select [Printer Features].
4. From the [Feature Sets] menu  (3), select [Colour...

A Guide to printing> 46
5.From the [Colour Mode] menu  (4), select [Greyscale].
6. Select [Always Use Printer Halftone] checkbox  (5).
This ensures best quality when using greyscale.
7. Select the [Use optimized greyscale halftones] checkbox 
(6).
This may slow down printing slightly, but will produce 
superior results.
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Colour matching> 47
COLOUR MATCHING
BASICS
There are three methods by which your document’s colour can be 
managed and adjusted:   
1.Application Colour Management  (1). 
Some graphics and desktop publishing programs such as 
Adobe Photoshop, Adobe Illustrator, and Quark Xpress 
have their own built-in colour management systems. See 
“Printer driver settings for ICC profile creation or no colour 
matching” on page 84.
Most applications do not have these colour management 
features and rely instead on...

Colour matching> 48
3.Printer Colour Management  (3).
When you print your document and modify settings in the 
printer driver, the printer performs colour adjustments.
WHAT THIS GUIDE DESCRIBES
This Chapter only discusses the  printer colour management 
system.
If you wish to learn more about your application program or 
operating system colour management, please see the 
documentation that was supplied with your application software 
or computer.
NOTE:
Only use one colour management system if you want...

Colour matching> 49
PRINTER COLOUR MANAGEMENT
INTRODUCTION
Your printer has two separate colour management systems – 
Office Colour and Graphic Pro.   >Office Colour  (3a) –“Office colour” on page 51
> This is a simpler colour management system designed for 
ease of use. Office Colour is recommended for users who 
are not experts in colour but want good results when 
printing from programs such as Microsoft Office.
> Graphic Pro  (3b) – “Graphic pro” on page 56
This is a powerful colour management...

Colour matching> 50
ABOUT RGB AND CMYK COLOUR
Some application programs give you the choice to create and edit 
documents using either RGB colour or CMYK colour. Typically, 
only professional graphics and desktop publishing software 
support CMYK colour. Most application programs only support 
RGB colour, for example Microsoft Office programs or web 
browsers.
If your application program does not give you the choice of RGB 
or CMYK colour, you should assume that it only supports RGB.
The RGB colour...