Image quality

Discuss QuarkXPress print functionality and printing workflows
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rwt
Posts: 3
Joined: 15 Feb 2006, 05:08

Image quality

Post by rwt » 15 Feb 2006, 07:46

When I export to PDF directly from Quark, the quality of the graphic images detriorates (basically, become much brighter).

Is there an interim setting I should be using or have missed?

stump
Posts: 40
Joined: 01 Jun 2004, 16:32

Image quality

Post by stump » 15 Feb 2006, 21:40

are your images RGB or CMYK?

rwt
Posts: 3
Joined: 15 Feb 2006, 05:08

Image quality

Post by rwt » 16 Feb 2006, 04:43

Hi, they're RGB.

a.hayton
Posts: 20
Joined: 31 Dec 1969, 19:00

Image quality

Post by a.hayton » 17 Feb 2006, 05:09

You should convert all rgb files to cmyk before you bring them into quark unless you are creating web pages.

jester7
Posts: 0
Joined: 23 Mar 2006, 00:07

Image quality

Post by jester7 » 23 Mar 2006, 00:26

Had the same problem, now I understand. I'm using Acro 7.

However, how do I convert RGB images to CMYK? I'm taking product photos, touch them up in Photoshop/Fireworks, and saving as jpegs (format needed to send to associates and buyers). Is there some other way I should efficiently go about this?

The only workaround I've found is to use the Adobe PDFWriter printer driver that comes with acrobat 5.

larsen67
Posts: 496
Joined: 31 Mar 2005, 03:49

Image quality

Post by larsen67 » 23 Mar 2006, 05:17

Jester7, you convert your images Color Mode in Photoshop. Keep your RGB JPEG's for your other purposes. In photoshop menubar>Image>Mode>CMYK Color make sure to have set your preferences to the correct color space before converting mode, then save copy as either .tif or .eps format for use in quark. Create your PDF by printing to the composite CMYK color space.

jester7
Posts: 0
Joined: 23 Mar 2006, 00:07

Image quality

Post by jester7 » 23 Mar 2006, 05:51

thanks a bunch

larsen67
Posts: 496
Joined: 31 Mar 2005, 03:49

Image quality

Post by larsen67 » 23 Mar 2006, 06:54

Then use your acrobat 7 to preflight your files or inspect using separation preview.

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