C5150/C5200ne/C5200n Technical Reference, Macintosh
59351301 Rev 1.2
August 2005
Every effort has been made to ensure that the information in this
document is complete, accurate, and up-to-date. The manufacturer
assumes no responsibility for the results of errors beyond its control.
The manufacturer also cannot guarantee that changes in software
and equipment made by other manufacturers and referred to in this
Guide will not affect the applicability of the information in it. Mention
of software products manufactured by other companies does not
necessarily constitute endorsement by the manufacturer.
While all reasonable efforts have been made to make this document
as accurate and helpful as possible, we make no warranty of any
kind, expressed or implied, as to the accuracy or completeness of
the information contained herein.
The most up-to-date drivers and manuals are available from the Oki
Data website
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NOTE
The screen shots in this manual are generic. When
you see
a specific model number which will vary depending on
which models are being used in your system.
For example:
XXX1, XXX2, etc., in a screen, they represent
5
Color Print Matching
The install utility provides a color matching profile for your printer. In
general, using these Color Matching settings will provide reasonable
default settings that produce good results for most documents.
Many applications have their own color settings and these may override
the settings in the printer driver. Please refer to the documentation for
your software application for details on how that particular program’s
color management functions.
Factors That Affect the Appearance of
Printed Documents
If you wish to manually adjust the color settings in your printer driver,
please be aware that color reproduction is a complex topic, and there are many factors to take into consideration. Some of the most
important factors are listed below.
Range of Colors: Monitors Versus Printers
• 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 different technologies to represent color. A
monitor uses Red, Green and Blue (RGB) phosphors (or LCDs), a
printer uses Cyan, Magenta, Yellow and Black (CMYK) toner or ink.
• A monitor can display very vivid colors such as intense reds and
blues and these cannot be easily produced on any printer using
toner or ink. Similarly, there are certain colors, (some yellows for
example), that can be printed, but cannot be displayed accurately on
a monitor. This disparity between monitors and printers is often the
main reason that printed colors do not match the colors displayed on
screen.
Viewing conditions
A printed document can look very different under different lighting
conditions. For example, the colors may look different when viewed
Color Print Matching • 6
standing next to a sunlit window, compared to how they look under
standard office fluorescent lighting.
Printer driver color settings
The driver settings for Manual color can change the appearance of
a printed document. There are several options available to help
match the printed colors with those displayed on screen. These
options are explained in subsequent sections.
To access the color matching options in the driver discussed below:
1. Access the printer settings page via the Print dialog from any
application (usually accessed via
2. Click on the General drop down menu and select Color Option.
File — Print).
Monitor settings
The brightness and contrast controls on your monitor can change
how your document looks on-screen. Additionally, your monitor’s
color temperature influences how “warm” or “cool” the colors look.
NOTE
Several of the Color Matching options make reference
to your monitor’s Color Temperature. Many modern
monitors allow the color temperature to be adjusted
using the monitor’s control panel.
Color Print Matching • 7
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
Cool; the default setting for many monitors and television sets.
*k = degrees Kelvin, a measurement of temperature
How Your Software Application Displays Color
Some graphics applications such as CorelDRAW® or Adobe®
®
Photoshop
such as Microsoft
may display color differently from "office" applications
®
Word. Please see your application’s on-line 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 than one
on specially formulated glossy paper.
Choosing a Color Matching Method
There is no one correct 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.
Color Print Matching • 8
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.
NOTE
These suggestions are for guidance only. Your results
may vary depending on the application from which you
are printing. Some applications will override any color
matching settings in the printer driver without warning.
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 will be 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 applications.
Matching Photographic Images
RGB only
Oki Color Matching (found in the printer driver under Color Control)
is a generally a good choice. Select a matching method appropriate
to your monitor.
Color Print Matching • 9
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 by Oki, and then print using the ICC
profiles as the Print Space (or Output space).
Matching Specific Colors
(For instance, a company logo.)
RGB only
• Oki Color Matching, and the sRGB setting.
• PostScript Color Matching using the Absolute Colorimetric option.
• Use the Color Swatch Utility to print out a chart of RGB swatches
and enter your desired RGB values in your application's color picker.
RGB or CMYK
• If you are printing 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 with your printer, and then print using the ICC
profiles as the Print Space (or Output space).
• Alternatively, use PostScript Color Matching with the Absolute
Colorimetric setting.
Printing Vivid Colors
RGB only
• Use Oki Color Matching, with either the Monitor 6500k Vivid, sRGB
or Digital Camera settings.
RGB or CMYK
• Use PostScript Color Matching with the Saturation option.
Color Print Matching • 10
OS X Printer Driver
Printer Drivers
See your printed Software Installation Guide for information on
installing the driver supplied with your printer.
You can also go to http://my.okidata.com to see/download a copy
of the Software Installation Guide or for the latest information on
printer drivers.
Adjusting Options
Apple Computer has not enabled Configure Printer... as of release
OS 10.2. Therefore, direct configuration of the printer driver is
unavailable at this time.
OS X Printer Driver: • 11
Accessing Print Features
1. To access the print features, open your print driver from within an
application by selecting
File → Print.
2. Then open the drop-down list below Presets and select the
feature you wish to set.
NOTE
If you use a particular group of settings for many
documents, you can make the settings then save
them as a Preset. Then you can engage those
settings from the drop-down Preset list as you print a
job.
OS X Printer Driver: • 12
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