Once you’ve determined that your raster images and vector artwork pieces are healthy, you still need to examine any page-layout file that combines that content to make sure that additional errors are not introduced. Don’t forget to do the following:
Spell check. It’s important to weed out typing errors, but be particularly careful with product names and proper names. You also need to check for mistakes that spellcheckers don’t catch, such as grammatical errors and words that are spelled correctly but aren’t what you intend. You don’t want to go to press with a headline that reads “The Clam Before the Storm.”
Delete extra junk. Clean off the pasteboard, and eliminate empty elements.
Avoid styled text. Rather than clicking ...