New answers tagged resize
Keep the product as a smart object or a seperate layer and using a script will be best to place the layer exactly within the guidelines by knowing the x,y coordinates of the guidelines.
view---> show bounding box! It's important to be on.
In Photoshop, select Image>Image Size... In the Image Size dialog, first uncheck "Resample Image," then set your document width to 9". (width will change to 13.454, and resolution will bump up to 323.33). Then crop the height down to 12" and you're done.
A quick check suggests that the nominal size for some types (EAN-*) is "25.93mm in height and 37.29mm in width" and "they" suggest that you do not reduce that beyond 80% (20 x 29mm). I didn't see anything specific to code39, but I suspect that your problem is merely that you have gone too far in reduction and the bars are too close together. You don't ...
To set the text area box to specific dimensions without distorting the text do this: In the main menu (on top), choose Type and then Area Type Options. A window will appear with options to set text box width and height, there are other useful options too.
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