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Part 2. Optimizing Photoshop Projects > Task 8 How to Optimize Color Files for ...

Task 8 How to Optimize Color Files for Printing

Preparing a file for printing means a lot of different things. It could mean a complicated offset professional color project with film and plates, or it could refer to an inkjet proof or a laser print. For the sake of argument, this task refers to color printing on a press or proofing device. It is important that you check with your printer before prepping files and setting things up because all printers do things a bit differently. What follows are general guidelines for how to optimize a file for printing.

1. Determine Output Resolution

In most cases, you will print at 300ppi for high-quality images. You can reduce this number slightly for some offset presses (inkjet and color laser printers and copiers are even more forgiving). Open the Image Size dialog box by selecting Image, Image Size. If you know the resolution requirements of your printer, type them in the Resolution field; if you don't, type 300 as a baseline and select pixels/inch. Make sure the Resample Image check box is not selected to avoid degradation of image quality.


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