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QuarkXpress 4.02 MAC resolution problem

1146 Views 5 Replies 2 Participants Last post by  MSY-Houston
Hi, :)
I compose a page in QuarkXpress Passport 4.02 (MAC OS 9), with pictures coming out of a 6 MP camera. They have sufficient resolution and normally print fine on glossy paper on my Epson photo printer.
Sometimes though, for a reason I do not know, they do not print fine. The image composition printed looks to have small artefacts every mm or so. The result is a poor looking print.
I do not know why. These are the same type of images, taken in the same resolution (more than enough resolution, moreover because they are reduced in QuarkXpress to fit, while retaining their original number of pixels).
I had a similar problem, when rotating images in QuarkXpress (you know, making landscape into portrait). When I print them without rotating, they are fine. When I print them after rotating, they have an obvious loss of quality.
I resolved this by upfront rotating them in Photoshop. I cannot understand why this should be necessary, but it is.
The first described problem, I do not know where it comes from. It drives me nuts. :(
Can anybody help?
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Hi Marc,

First of all, sorry if I tell you stuff you already know.

Are the images saved as jpeg, tif or eps? Best format for Quark is tif. If printing to an inkjet printer, usually I can get by resolution-wise with 150 dpi printing the image at 100%.

If you download the images to your computer, open an image and save it again as a jpeg, the jpeg format will add weird artifacts to the file. Every time you resave as a jpeg, more artifacts are thrown in. These may be what you are seeing.

As a rule of thumb, when I download images to my computer, I open an image file with Photoshop and immediately (without any changes to the original file) save the image as a tif or Photoshop psd format, using SAVE AS and giving it a different name. I then use the copy to work from. That way, I always have the original image to go back to in case I do something with filters and the copy that I can't undo. And tif is a lossless compression program, so it doesn't throw artifacts into the file.

As for using Quark to adjust the size. That sometimes works, and sometimes doesn't work well at all. In fact, if you reduce a large format image in Quark, for example, to 50%, you will get unexpected results--usually a darkening or compressed image.

It's better to resize the image in Photoshop at the dimensions you are going to use at 100%, save it as a tif, then import it into Quark at 100% (for example, a 4x6 image at 150 dpi in Photoshop to be used as a 4x6 image in Quark).

Hope this helps.
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One more thing...

If you save an image as an eps file and try to print to an inkjet printer, you'll get unexpected and usually ugly results. This is because an inkjet printer does not recognize eps computer language. Simple remember to save the file as a tif and you'll have great pictures.

marcw said:
Thanks for the suggestions. :up:
The image format I use is JPEG. It has been unaltered since it was created, so the quality loss cannot come from there. You normally only get a loss after several repetitive savings.
I do not use the eps format.
Interesting suggestion on the Quark downsizing. I find it surprising though that a program like QuarkXpress would change the quality of the image/print, just because you use one of it's funcionalities: make the image smaller or rotate it. :confused:
Still you know, why does it do it with some and not with the others?
The downsizing problem does occur, although I haven't tried it with Quark 6.0 because I had trained myself to automatically size the image properly years ago and haven't had a need to experiment in a while. That may have been resolved in newer version(s) of Quark.

Differences in output can occur because of the amount of black in an image, or the density of color (ink) that's being put on the paper.

Try this.
Save a copy of the image as a tif, import the tif and the jpeg versions of the same image on one page in Quark, and print it to see if there are any differences in format.

If that doesn't reveal anything, try dropping the saturation of the tif image down just a bit. Print that version and see if there's any change--better, worse, or no change.

Maybe someone else will have some suggestions. There's usually lots of people who know more than me!!! :)
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