Adobe 5.5 Design Standard Manual de usuario descargar pdf (Pagina 108)

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Adobe Creative Suite 5 Printing Guide 106

Rich Black, or both. To change the highlight color for the warnings, click

the swatch next to the warning, and select a new color from the swatch

menu that appears.

The Overprinting warning highlights areas affected by some blending

modes, and areas that have been set to overprint. Overprinting, such as

black text overprinting a color area, is not necessarily a problem. But in

the example document, the white logo at the lower right will disappear

during imaging because it is set to overprint. This will have to be fixed

before output.

Color Warnings/Overprinting

Unintended overprint aributes can produce unwanted color combinations or cause objects

to disappear when output. In this example, the white Aquo logo appears correct in normal

view (top, le), but disappears when Simulate Overprinting is turned on in the Output

Preview panel (top, center). is represents how the logo will actually output. To nd other

overprinting elements, select the Color Warnings option (le), and click the color block to

choose a highlight color. Overprinting isn’t always a problem, such as black overprinting text

and the black rectangle (top, right). But this is a warning that the white Aquo logo will not

print correctly; the white areas of the logo will disappear when the le is printed.

The Rich Black warning highlights areas that will print as rich black; that

is, solid process black mixed with any underlying color inks for

increased opacity and richer color. While this doesn’t always indicate a

problem (in fact, it’s desirable to use a rich black build in large areas), it’s

helpful to identify rich black areas in case you need to modify your trap

settingsfor example, to perform pullbacks or keepaways (choking

back on the cyan, magenta, and yellow to avoid registration problems)

on reverse type within the rich black areas. New in Acrobat X Pro is the

Start Cutoff value, which allows you to set a threshold value of black to

be used in determining if an area is defined as Rich Black. Areas

containing the threshold percentage of black plus any non-zero value

for cyan, magenta or yellow will trigger the Rich Black warning.

WarningsRich Black

To view black areas that also include other colors, select the Rich Black option. Click the

small color block to change the highlight color used by Acrobat to indicate rich black areas.

Rich blacks aren’t necessarily a problem, but it’s helpful to highlight such areas in case

trapping will require special handling, such as creating pullbacks in areas of reverse type or

other art. Here, magenta highlights rich black areas.

Object Inspector

The Object Inspector displays extensive information about the area

directly underneath where the user has clicked. Choose the Object

Inspector option under Preview in the Output Preview panel, and click

anywhere in the displayed PDF. The Object Inspector window displays

available information for the cursor position. If you click on an image,

resolution, color space, dimensions, and rendering intent are listed. If

you click on a filled object, the color and overprint status are displayed.

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Adobe 5.5 Design Standard Manual de usuario Pagina 108

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