Process & RGB
A non press color is used
Determines whether the PDF file contains specific colors in the
text, line art, and in pixel images that use one or more of the
following color models:
●
RGB
●
Calibrated Gray
●
Calibrated RGB
●
LAB
●
ICC Based
Pattern or indexed color is used
Determines whether the PDF file contains an indexed color
space. Select
Pattern or indexed color is used
to select colors
from a color map or color table in another color space. An
indexed color space can considerably reduce the amount of
data required to represent a sampled image.
Shading is used
Determines whether pattern shading is used in the PDF file
Ink coverage is lower than
Determines whether there is enough ink coverage in the PDF
file to register on the plate. The default is 4%. You cannot enter
a value less than 0 or greater than 3200.
To restrict ink coverage detection within a bounding box, select
the
Restrict to elements within
check box, and then select
media box
,
crop box
,
trim box
,
art box
, or
bleed box
.
Optionally, you can select
Ignore colorant "All"
to ignore the
registration color.
Note: The
Ignore colorant "All"
setting applies to both high and low
coverage. If you select it when checking for low ink coverage, it will also
apply if you select the
Ink coverage is higher than
check box.
Select the
Detect image ink coverage
check box to define a
minimum area of connected pixels that must be below the ink
coverage limit before an error is triggered. Then, use the
Sample area size
box and unit list to define a square area of
connected pixels. You can enter a value between 0 and 3.5 inch
or 9 cm, depending on the unit that was selected in the
preferences.
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Chapter 10—Refining
