Lexmark MX6500e 6500e IPDS Emulation User's Guide - Page 27

Def Rend Intent, 4.12 Cmoca Options

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Def OCA IPDS Spec mapping table is used. Only the default OCA Color mapping table is used. The OCA color values are converted to SMPTE-C RGB values according to the IPDS specification. Refer to section 6 Color Management - User Files on page 66 for more information on uploading user files. 3.4.11 DEF REND INTENT This option menu controls the default rendering intent for different types of IPDS data (Images, Text and Graphics). The following type of intent can be selected:  Perception Perceptual Rendering Intent. Attempts to preserve appearance by maintaining color relationships; typically used to render continuous-tone images.  Relative Colorim Relative Colorimetric Rendering Intent. Maps white point of source color to white point of output media; colors 'look right' but may not be accurate colorimetrically. Typically used for vector graphics or images.  Saturation Saturation Rendering Intent. Attempts to generate vivid, saturated colors, even at the expense of color accuracy; typically used for business graphics.  Absolute Colorim Absolute Colorimetric Rendering Intent. Does not map white point of source color to white point of output media. If source white is bluish and media white is yellowish, system adds cyan to simulate blue on output medium. Colors are accurate colorimetrically but may not 'look right'. Typically used for logos or proofing. Images Text Graphics Default rendering intent is Perception*. Default rendering intent is Relative Colorim*. Default rendering intent is Saturation*. 3.4.12 CMOCA Options The option menu control the printers action for processing CMOCA resources. 3.4.12.1 CMOCA Options Enable* Accept and process all CMOCA resources. Disable Do not accept CMOCA resources. CMOCA support is not returned to the host. Ignore Support for CMOCA is returned to the host. CMOCA resources are accepted but ignored. 27

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mapping table is used.
Def OCA
Only the default OCA Color mapping table is used.
IPDS Spec
The OCA color values are converted to SMPTE-C RGB values
according to the IPDS specification.
Refer to section 6 Color Management – User Files on page 66 for more information on uploading user
files.
3.4.11 DEF REND INTENT
This option menu controls the default rendering intent for different types of IPDS data (Images, Text and
Graphics). The following type of intent can be selected:
Perception
Perceptual Rendering Intent. Attempts to preserve appearance by
maintaining color relationships; typically used to render continuous-tone
images.
Relative Colorim
Relative Colorimetric Rendering Intent. Maps white point of source color
to white point of output media; colors ‘look right’ but may not be accurate
colorimetrically. Typically used for vector graphics or images.
Saturation
Saturation Rendering Intent. Attempts to generate vivid, saturated colors,
even at the expense of color accuracy; typically used for business
graphics.
Absolute Colorim
Absolute Colorimetric Rendering Intent. Does not map white point of
source color to white point of output media. If source white is bluish and
media white is yellowish, system adds cyan to simulate blue on output
medium. Colors are accurate colorimetrically but may not ‘look right’.
Typically used for logos or proofing.
Images
Default rendering intent is
Perception
*.
Text
Default rendering intent is
Relative Colorim*
.
Graphics
Default rendering intent is
Saturation*
.
3.4.12 CMOCA Options
The option menu control the printers action for processing CMOCA resources.
3.4.12.1 CMOCA Options
Enable*
Accept and process all CMOCA resources.
Disable
Do not accept CMOCA resources. CMOCA support is not returned to the host.
Ignore
Support for CMOCA is returned to the host. CMOCA resources are accepted but
ignored.