Lexmark C782 Help Menu Pages - Page 7

What is Manual Color Correction?, Color Correction, Color Balance, Toner Darkness, Color Saver, Color

Page 7 highlights

Color quality guide Page 5 of 7 Should I use the PostScript or PCL emulation driver for the best color? What driver settings should I use for the best color? The PostScript driver is strongly recommended for best color quality. The default settings in the PostScript driver provide preferred color quality for the majority of printouts. Why doesn't the printed color match the color I see on the computer screen? The color conversion tables used in Auto Color Correction mode generally approximate the colors of a standard computer monitor. However, because of technology differences that exist between printers and monitors, there are many colors that can be generated on a computer screen that cannot be physically reproduced on a color laser printer. Color match can also be affected by monitor variations and lighting conditions. See the response to the question "How can I match a particular color (such as a color in a corporate logo)?" on page 6 for recommendations on how the printer Color Samples pages may be useful in solving certain color-matching problems. The printed page appears tinted. Can I slightly adjust the color? Sometimes a user may consider printed pages to appear tinted (for example, everything printed seems to be too red). This can be caused by environmental conditions, paper type, lighting conditions, or user preference. In these instances, Color Balance may be used to create more preferable color. Color Balance provides the user with the ability to make subtle adjustments to the amount of toner being used in each color plane. Selecting positive (or negative) values for cyan, magenta, yellow, and black under the Color Balance menu will slightly increase (or decrease) the amount of toner used for the chosen color. For example, if a user believes the overall printed page to be too red, then decreases to both magenta and yellow could potentially improve color preference. Is it possible to increase the gloss in the printed output? Obtain additional gloss by printing using the 1200 dpi Print Resolution Setting. My color transparencies seem dark when projected. Is there anything I can do to improve the color? This problem most commonly occurs when projecting transparencies with reflective overhead projectors. To obtain the highest projected color quality, transmissive overhead projectors are recommended. If a reflective projector must be used, then adjusting Toner Darkness settings to 1, 2, or 3 will lighten the transparency. Be sure to print on the recommended type of color transparencies. For more information, see "Understanding paper and specialty media guidelines" in the User's Guide on the Software and Documentation CD. Color Saver must be Off to adjust Toner Darkness. What is Manual Color Correction? The color conversion tables applied to each object on the printed page when using the default Auto Color Correction setting generate preferred color for the majority of documents. Occasionally, a user may want to apply a different color table mapping. This customization is accomplished using the Manual Color menu and the Manual Color Correction setting. Manual Color Correction applies the RGB and CMYK color conversion table mappings as defined in the Manual Color menu. Users may select any of five different color conversion tables available for RGB objects (sRGB Display, Display-True Black, sRGB Vivid, Off, and Vivid) and any of four different color conversion tables available for CMYK objects (US CMYK, Euro CMYK, Vivid CMYK, and Off). Note: The Manual Color Correction setting is not useful if the software application does not specify colors with RGB or CMYK combinations, or in certain situations where the software application or the

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Color quality guide
Page 5 of 7
Should I use the PostScript or PCL emulation driver for the best color? What driver settings should I use
for the best color?
The PostScript driver is strongly recommended for best color quality. The default settings in the PostScript driver
provide preferred color quality for the majority of printouts.
Why doesn't the printed color match
the color I see on the computer screen?
The color conversion tables used in Auto
Color Correction
mode generally approximate the colors of a
standard computer monitor. However, because of technology differences that exist between printers and
monitors, there are many colors that can be generated on a computer screen that cannot be physically
reproduced on a color laser printer. Color match can also be affected by monitor variations and lighting conditions.
See the response to the question “How can I match a particular color (such as a color in a corporate logo)?” on
page 6 for recommendations on how the printer Color Samples pages may be useful in solving certain
color-matching problems.
The printed page appears tinted. Can I slightly adjust the color?
Sometimes a user may consider printed pages to appear tinted (for example, everything printed seems to be too
red). This can be caused by environmental conditions, paper type, lighting conditions, or user preference. In these
instances,
Color Balance
may be used to create more preferable color. Color Balance provides the user with
the ability to make subtle adjustments to the amount of toner being used in each color plane. Selecting positive
(or negative) values for cyan, magenta, yellow, and black under the Color Balance menu will slightly increase (or
decrease) the amount of toner used for the chosen color. For example, if a user believes the overall printed page
to be too red, then decreases to both magenta and yellow could potentially improve color preference.
Is it possible to increase the gloss in the printed output?
Obtain additional gloss by printing using the 1200 dpi Print Resolution Setting.
My color transparencies seem dark when projected. Is there anything I can do to improve the color?
This problem most commonly occurs when projecting transparencies with reflective overhead projectors. To
obtain the highest projected color quality, transmissive overhead projectors are recommended. If a reflective
projector must be used, then adjusting
Toner Darkness
settings to 1, 2, or 3 will lighten the transparency. Be
sure to print on the recommended type of color transparencies. For more information, see “Understanding paper
and specialty media guidelines” in the
User’s Guide
on the
Software and Documentation
CD.
Color Saver
must be
Off
to adjust
Toner Darkness
.
What is Manual Color Correction?
The color conversion tables applied to each object on the printed page when using the default Auto
Color
Correction
setting generate preferred color for the majority of documents. Occasionally, a user may want to
apply a different color table mapping. This customization is accomplished using the Manual Color menu and the
Manual Color Correction setting.
Manual Color Correction applies the RGB and CMYK color conversion table mappings as defined in the Manual
Color menu. Users may select any of five different color conversion tables available for RGB objects
(sRGB Display, Display—True Black, sRGB Vivid, Off, and Vivid) and any of four different color conversion tables
available for CMYK objects (US CMYK, Euro CMYK, Vivid CMYK, and Off).
Note:
The Manual Color Correction setting is not useful if the software application does not specify colors
with RGB or CMYK combinations, or in certain situations where the software application or the