DOWNLOAD Sharp MX-PEX1 (serv.man14) Service Manual ↓ Size: 2.19 MB | Pages: 104 in PDF or view online for FREE

Model
MX-PEX1 (serv.man14)
Pages
104
Size
2.19 MB
Type
PDF
Document
User Manual / Operation Manual
Brand
Device
Copying Equipment / Fiery PEX1 Colour Guide
File
mx-pex1-sm14.pdf
Date

Sharp MX-PEX1 (serv.man14) User Manual / Operation Manual ▷ View online

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Print Gray as Black
When Print Gray as Black is enabled, any gray (any color where R=G=B or C=Y=M, or any 
K-only color) in a job is printed using only black toner instead of processed black. 
You can choose to apply the Print Gray as Black option to either Text and Graphics or to Text, 
Graphics, and Images.
The following limitations apply:
• The Print Gray as Black option has no effect on a job that is pre-separated, except that if 
Print Gray as Black (CMYK) is off, each separation, which is a grayscale image, is printed 
in a 4-color gray.
• If CMYK Simulation Method is set to Full (Source GCR) or Quick, the Print Gray as 
Black (CMYK) setting does not affect the output.
• If RGB Separation is set to Simulation, the Print Gray as Black (RGB) option is disabled. 
Likewise, if the Print Gray as Black (RGB) option is enabled, you cannot set RGB 
Separation to Simulation.
• If Black Text/Graphics is set to Pure Black On or Rich Black On, it takes precedence over 
Print Gray as Black for 100% black text and graphics.
• If a gray is specified as a spot color, the Print Gray as Black option does not affect that gray.
Rendering Styles
The Rendering Style option specifies a CRD for color conversions. To control the appearance 
of images, such as prints from office applications or RGB photographs from Photoshop, select 
the appropriate rendering style. The Fiery X3eTY2 allows you to choose from the four 
rendering styles currently found in industry standard ICC profiles.
Fiery X3eTY2 
rendering style
Best used for
Equivalent ICC 
rendering style
Photographic
Typically results 
in less saturated output than 
presentation rendering when 
printing out-of-gamut colors. This 
style preserves tonal relationships in 
images.
Photographs, including scans and 
images from stock photography 
CDs and digital camera images.
Image
Contrast
and 
Perceptual
Presentation
Creates saturated 
colors but does not match printed 
colors precisely to displayed colors. 
In-gamut colors, such as flesh 
tones, are rendered well. This style is 
similar to the Photographic rendering 
style.
Artwork and graphs in 
presentations. In many cases, this 
style can be used for mixed pages 
that contain presentation graphics 
and photographs.
Saturation
Graphics
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RGB Separation
The RGB Separation option determines how RGB colors (as well as Lab and XYZ colors) are 
converted to CMYK. The name of this option is meant to be descriptive, since the option 
defines the color spaces that are used by the Fiery X3eTY2 to “separate” the RGB data into 
CMYK values.
The two choices available for this option determine whether RGB data is converted into the 
full gamut of the MFP (
output
) or is first converted into the gamut of another digital printer 
or press standard (
simulation
). This feature helps make one device behave like another for 
RGB data. For example, if a high-quality ICC profile is available for another print device, the 
MFP can simulate the behavior of that device.
RGB Separation is also useful for prepress applications. For example, it allows you to 
experiment with the appearance of an RGB scan under different press printing conditions, 
without having to convert the RGB data to CMYK data for each condition. When the desired 
printing condition is found, convert the file to CMYK, using the same CMYK simulation 
profile you used during the experimentation. 
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Use the RGB Separation print option in conjunction with the Output Profile or 
CMYK Simulation Profile print options.
Output 
converts all RGB colors into the CMYK color space of your MFP (when set to the 
printer’s default), or a customized CMYK color space for your MFP (when set to 
Output 1-10).
Simulation 
converts all RGB colors into the CMYK color space for a specified simulation 
(select the desired simulation with the CMYK Simulation Profile print option).
Relative Colorimetric
Provides 
white-point transformation between 
the source and destination white 
points. For example, the bluish 
white color (gray) of a monitor is 
replaced by paper white. This style 
avoids visible borders between 
blank spaces and white objects. 
Advanced use when color matching 
is important, but you prefer white 
colors in the document to print 
as paper white. This style may 
also be used with PostScript color 
management to affect CMYK 
data for simulation purposes.
Relative 
Colorimetric
Absolute Colorimetric
Provides 
no white point transformation 
between the source and destination 
white points. For example, the bluish 
white color (gray) is not replaced 
by paper white.
Situations when exact colors are 
needed and visible borders are not 
distracting. This style may also be 
used with PostScript color 
management to affect CMYK 
data for simulation purposes.
Absolute 
Colorimetric
Fiery X3eTY2 
rendering style
Best used for
Equivalent ICC 
rendering style
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RGB Source Profile
The RGB 
source profile
 setting allows you to define the characteristics of the RGB data in 
your document so that the appropriate color conversion occurs on the Fiery X3eTY2. 
Commonly used monitor color spaces are available from the printer driver and the 
Fiery X3eTY2. For others, use ColorWise Pro Tools Profile Manager to download custom 
monitor or scanner profiles.
When you specify a setting other than None for the RGB Source Profile, the Fiery X3eTY2 
overrides 
source color space
 definitions or profiles that other color management systems may 
have specified. For example, if you specified a ColorSync System Profile on your Mac OS 
computer, the RGB Source Profile setting overrides it. In cases where you do not want this 
setting to override another specified source color space, choose None. 
When you specify a setting other than None, since the color space definitions are overridden, 
the output from the Fiery X3eTY2 is consistent across platforms. The Fiery X3eTY2 RGB 
Source Profile options are as follows:
EFIRGB
 specifies an EFI-defined color space recommended for users who have no detailed 
information about their RGB data.
sRGB (PC)
 specifies the definition of a Windows computer monitor profile used as the 
default.
Apple Standard
 specifies the definition of a Mac OS computer monitor profile used as the 
default.
Adobe RGB (1998)
 is an Adobe-defined color space, used in pre-press as the default 
working space in Photoshop 5.
ECI-RGB
 is the European Color Initiative (ECI) recommended space for use as an RGB 
working color space and color data exchange format for ad agencies, publishers, 
reproduction and printing houses.
Fiery RGB
 is an EFI-defined color space recommended for users of office applications. 
This color space is similar to EFIRGB but larger.
Sources 1-10
 specify the definitions you download as RGB source profiles. 
If you are printing with the PostScript driver and have enabled Two-Way Communication, 
the name of each downloaded profile appears in the RGB Source Profile setting menu. 
If Two-Way Communication is not enabled, downloaded profiles appear as Source-1 
through Source-10. For more information about Two-Way Communication, see 
Printing 
from Windows
 or 
Printing from Mac OS
.
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None
 instructs the Fiery X3eTY2 to allow the RGB sources you defined elsewhere, such as 
in the application, to be used. When you set RGB Source to None, the appearance of 
colors is not independent of the file type. For example, RGB EPS files looks different from 
RGB TIFF files. 
With RGB Source set to None, PostScript RGB data that contains a source color space 
definition is converted using the CRD specified by the Rendering Style option (see 
“Rendering Styles”
 on page 77). Non-PostScript RGB data and PostScript RGB data that 
does not contain a source color space definition are converted using a general 
undercolor 
removal (UCR)
 conversion method.
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This feature is not available with the PCL driver.
Spot Color Matching
The Spot Color Matching option provides automatic matching of spot colors with their best 
CMYK equivalents.
On:
 The Fiery X3eTY2 uses a built-in table to generate the closest CMYK matches of spot 
colors your MFP can produce. (New tables are generated when you add new output 
profiles.)
With Spot-On, the Fiery X3eTY2 uses the CMYK matches determined through Spot-On 
(see 
page 30
).
Off:
 The Fiery X3eTY2 processes the spot color as CMYK data and uses CMYK 
equivalents defined by the spot color manufacturer, such as PANTONE. These are the 
same CMYK equivalents used by applications that include spot color libraries.
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Spot colors that are not included in the built-in table are treated as CMYK.
For jobs that include spot colors, set Spot Color Matching to On unless you are printing press 
simulations. In that case, set Spot Color Matching to Off and choose the appropriate CMYK 
Simulation setting (see 
page 74
).
For a PDF job that includes spot colors that are not included in the built-in table, setting Spot 
Color Matching to On retains the original spot colors. The Fiery X3eTY2 references the 
built-in table to generate the closest CMYK matches of the original spot color.
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Use Spot Color Matching only when printing composites, not when printing 
separations.
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