Xerox DocuColor 12 User Manual

							DOCUCOLOR 12 USER GUIDE6–13 IMAGE QUALITY
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7 Warm
The Warm option, illustrated in Figure 16, 
produces a soft image on the copy by 
transforming low density colours into light and 
reddish colours. Use this setting to apply a light 
pink tone to skin colours and to give a soft tone to 
dark, warm colours.
The Warm option decreases the Low and Medium 
density settings for Yellow and Cyan, and 
increases the Medium setting for Magenta.
Figure 16: Example of Warm 
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							IMAGE QUALITY6–14 DOCUCOLOR 12 USER GUIDE
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7 Cool
The Cool option, illustrated in Figure 17, produces 
a strong, clear blue tone on the copy. This setting 
can be used to make the blue colour of water or 
the sky stronger, and to make dark, cold colours 
clearer.
The Cool option decreases the Low, Medium, and 
High density settings for Yellow and Magenta, and 
increases the Low, Medium, and High setting for 
Cyan.
Figure 17: Example of Cool 
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							DOCUCOLOR 12 USER GUIDE6–15 IMAGE QUALITY
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7 Background Suppression
Background Suppression, illustrated in Figure 18, 
prevents undesired marks or images that are 
printed on the back of an original from appearing 
on the output copy.
The Background Suppression feature reduces the 
Medium density settings for Yellow, Magenta, 
Cyan, and Black. The High density level for Black 
is increased.
Auto Suppression
Auto Suppression increases contrast and 
sharpness for clearer output.Figure 18: Example of
Background Suppression
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							IMAGE QUALITY6–16 DOCUCOLOR 12 USER GUIDE
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1Touch the Preset Colour Balance icon on the 
Image Quality tab to display the Preset Colour 
Balance screen, illustrated in Figure 19.
2Touch the appropriate button for the desired 
colour balance.
3Touch Save to return to the Image Quality tab.
Figure 19: Preset Colour Balance screen 
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							DOCUCOLOR 12 USER GUIDE6–17 IMAGE QUALITY
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Lighten/Darken
The Lighten/Darken feature (Figure 20) enables 
you to adjust the overall lightness or darkness 
(density) of the output copy. This feature offers an 
Auto Contrast option as well as seven lighten/
darken levels.
The Normal level is the copier/printer default for 
Lighten/Darken. Use the Normal setting to copy 
original documents that appear to have the 
desired overall lightness or darkness.
When the Auto Contrast option is selected, the 
copier/printer determines the overall density of the 
document and adjusts the level accordingly.
Three different options are illustrated in Figure 21, 
Figure 22, and Figure 23.
KEY POINT:When the Lighten/Darken feature is 
set to Auto Contrast and the Original Type is 
Photo and Text or Text, the copier/printer applies 
an automatic background suppression function to 
the entire document. Background may be caused 
by images on the original document or by images 
or text on the back side of the document. The 
automatic background suppression function helps 
to reduce or eliminate the background in these 
situations.
Figure 20: Lighten/Darken feature
Figure 21: Auto Contrast image
Figure 22: Lightened image
Figure 23: Darkened image
Figure 24: Lighten/Darken screen
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							IMAGE QUALITY6–18 DOCUCOLOR 12 USER GUIDE
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The Background Suppression option in the Preset 
Colour Balance feature of the Image Quality tab 
may also be used to suppress background. Refer 
to the “Preset Colour Balance” section for more 
information.
1Touch the Lighten/Darken icon on the Image 
Quality tab to display the Lighten/Darken screen, 
as illustrated in Figure 24.
2Perform one of the following:
•Touch the Auto Contrast icon to have the 
copier/printer determine the darkness or 
lightness of the original document and adjust 
the output darkness or lightness automatically.
•Using the illustrated bar as a guide, touch the 
button under the section that best reflects the 
desired degree of darkness or lightness.
3Touch Save to return to the Image Quality tab.
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							DOCUCOLOR 12 USER GUIDE6–19 IMAGE QUALITY
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Colour Shift/Saturation
The Colour Shift/Saturation feature (Figure 25) 
allows you to shift all copy colours toward the 
adjacent hue as well as to adjust the overall 
richness of colour on the output copy.
Colour Shift
Colour shift is useful when the original does not 
have quite the correct colours for your needs. By 
touching one of the Colour Shift buttons, you can 
cause the overall copy colours to be shifted.
The illustration on the Colour Shift/Saturation 
screen helps you anticipate the results of the 
requested shift. The top bar illustrates the 
relationship between colours and adjacent hues. 
The lower bar shifts to the left or right to reflect 
your choice. When Normal is selected, the lower 
bar is centred below the upper bar. Figure 26 
illustrates the Normal setting.
If you select one of the Warm buttons, the red 
colours shift toward the yellow hue, the green 
colours shift toward the cyan hue, and the blue 
colours shift toward the magenta hue. The lower 
bar shifts to the right. All colours in between these 
original colours also shift in the same direction. 
Figure 27 illustrates the Warm setting.
To continue the example, if you select one of the 
Cool buttons, the red colours shift toward the 
magenta hue, the blue colours shift toward the 
cyan hue, and the green colours shift toward the 
yellow hue. The lower bar shifts to the left. Again, 
all colours in between these original document 
colours also shift in the same direction. Figure 28 
illustrates the Cool setting.Figure 25: Colour Shift/Saturation feature
Figure 26: Normal
Figure 27: Colour shift toward Warm
Figure 28: Colour shift toward Cool
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							IMAGE QUALITY6–20 DOCUCOLOR 12 USER GUIDE
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7 Saturation
The Saturation feature allows you to adjust the 
overall richness of colour on the output copy. 
Saturation is sometimes referred to as chroma. 
Colours with high saturation are sometimes called 
vivid colours. 
The flower illustrations on the Colour Shift/
Saturation screen help you anticipate the results 
of the requested shift. The left flower illustrates the 
lightest pastel setting of saturation. The right 
flower illustrates the richest or most vivid 
saturation. The centre flower represents the 
default Normal saturation. No change is made to 
the flowers based on your selection.
Three levels of Saturation are illustrated in Figure 
29, Figure 30, and Figure 31.Figure 29: Normal saturation 
Figure 30: Maximum saturation 
Figure 31: Minimum saturation 
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							DOCUCOLOR 12 USER GUIDE6–21 IMAGE QUALITY
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1Touch the Colour Shift/Saturation icon on the 
Image Quality tab to display the Colour Shift/
Saturation screen, as illustrated in Figure 32.
2Touch the button for the desired Colour Shift in 
the range from Coolest to Warmest.
3Touch the button for the desired Saturation in the 
range from Most Pastel to Most Vivid.
4Touch Save to return to the Image Quality tab.
Figure 32: Colour Shift/Saturation screen
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							IMAGE QUALITY6–22 DOCUCOLOR 12 USER GUIDE
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Sharpness
The Sharpness feature (Figure 33) allows you to 
adjust the amount of edge definition on the copies. 
Five adjustment levels, corresponding roughly to 
the illustrations on the screen, are available.
NOTE:For optimum sharpness on the copies, it is 
important to select the correct Original Type for 
your input document in the Image Quality tab.
The Normal level is the copier/printer default for 
Sharpness. Use the Normal setting to copy 
documents that appear to have the desired 
amount of edge definition. Figure 34 illustrates the 
results of this setting.
Use the Soften levels to decrease the amount of 
edge definition to copy photographs or other 
documents where softer, less focused, output 
copies are desired. This option is especially 
desirable when copying very coarse dot screens. 
If Text has been selected as the Original Type, but 
the text is on a halftone background, selecting a 
softer sharpness level may give you better output. 
Figure 35 illustrates the results of this setting.
Use the Sharpen levels to increase the amount of 
edge definition for original documents such as 
maps, line art, or graphics that should have crisp 
lines. Figure 36 illustrates the results of this 
setting.
Figure 33: Sharpness feature
Figure 34: Normal Sharpness
Figure 35: Softer
Figure 36: Sharper
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