OKI C7350DTN User Manual

C7350/7550 User’s Guide: Windows XP Operation  •  131
Factors that Affect Color Printing
Monitor Colors vs. Printer Colors  
(Differences between the range of colors a monitor or 
printer can reproduce)
•Neither a printer nor a monitor is capable of reproducing 
the full range of colors visible to the human eye. Each 
device is restricted to a certain range of colors. In addition 
to this, a printer cannot reproduce all of the colors 
displayed on a monitor, and vice versa.
•Both devices use very...

C7350/7550 User’s Guide: Windows XP Operation  •  132
Factors that Affect Color Printing
Monitor Settings 
The brightness and contrast controls on your monitor can 
change how your document looks on-screen. Additionally, your 
monitor color temperature influences how warm or cool the 
colors look. 
  
There are several settings found on a typical monitor:
• 5000k*  
Warmest; yellowish lighting, typically used in graphics arts 
environments.
• 6500k* 
 Cooler; approximates daylight conditions.
• 9300k*...

C7350/7550 User’s Guide: Windows XP Operation  •  133
Factors that Affect Color Printing
How your Software Application Displays Color 
Some graphics applications such as CorelDRAW® or Adobe® 
Photoshop® may display color differently from office 
applications such as Microsoft® Word. Please see your 
application’s online help or user manual for more information. 
Paper Type 
The type of paper used can also significantly affect the printed 
color. For example, a printout on recycled paper can look duller...

C7350/7550 User’s Guide: Windows XP Operation  •  134
Color Matching
Choosing a Method 
  
There is no one way to achieve a good match between the 
document displayed on your monitor, and its printed equivalent. 
There are many factors involved in achieving accurate and 
reproducible color.
However, the following guidelines may help in achieving good color 
output from your printer.
There are several suggested methods, depending on the type of 
document you are printing.
•most common [RGB] (see page...

C7350/7550 User’s Guide: Windows XP Operation  •  135
Color Matching
Choosing a Method
RGB or CMYK?  
The guidelines for choosing a color matching method make 
distinctions between Red, Green, Blue (RGB) and Cyan, 
Magenta, Yellow, Black (CMYK).
Generally, most documents you print are in RGB format. This is 
the most common, and, if you do not know your document’s 
color mode, assume that it is RGB.
Typically, CMYK documents are only supported in professional 
Desktop Publishing and Graphics...

C7350/7550 User’s Guide: Windows XP Operation  •  136
Color Matching
Choosing a Method
Matching Photographs 
RGB only 
Oki Color Matching (see page 145) is a generally a good choice. 
Select a matching method appropriate to your monitor.
RGB or CMYK  
If you are printing photographic images from a graphics 
application such as Adobe Photoshop, you may be able to use 
Soft-Proofing to simulate the printed image on your monitor. To 
do this, you can use the ICC-Profiles provided (see “Windows 
ICM Color...

C7350/7550 User’s Guide: Windows XP Operation  •  137
Color Matching
Choosing a Method
Matching Specific Colors 
(Example: Company logo)
RGB only  
•Oki Color Matching (see page 145), and the sRGB setting: 
PCL or PS driver.
•PostScript Color Matching using the Absolute Colorimetric 
option (see page 147).
•Use the Color Swatch Utility to print out a chart of RGB 
swatches and enter your desired RGB values in your 
applications color picker—PS only (see page 142).
RGB or CMYK  
•If you are printing from...

C7350/7550 User’s Guide: Windows XP Operation  •  138
Color Matching
Choosing a Method
Printing Vivid Colors 
RGB only  
Use Oki Color Matching (see page 145), with the Monitor 6500k 
Vivid, sRGB or Digital Camera settings (PCL or PS).
RGB or CMYK  
Use PostScript Color Matching (see page 147) with the 
Saturation option.
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C7350/7550 User’s Guide: Windows XP Operation  •  139
Color Matching
Color Matching Options
PCL Driver
The Color Matching Options in the PCL driver can be used to help 
match your printed colors to the ones displayed on your monitor.
 
 Manually set the options in the PCL driver:
1.Click Start → Settings → Printers and Faxes.
2.Right click the appropriate printer name.  Click Printing 
Preferences.
3.Click the Color tab.
  C73_XP_PCL_Color1k.tif  
NOTE
The PCL driver’s color options are only designed to...

C7350/7550 User’s Guide: Windows XP Operation  •  140
4.Under Color Mode, click Manual Color. 
5.Under Color Setting, click Natural.
  C73_XP_PCL_Color2k.tif 
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