Here is a list of basic tutorials for file preparation that will help simplify the process for you.

icon-resolutionImage Resolution

icon-cmykCMYK Color Mode

icon-bleed_cut_safetyBleeds, Cut Line, and Safety Margin

icon-borders_bleedsBorders With Bleeds

icon-fonts_transparenciesFonts and Transparency

icon-fonts_and_textFonts and Text Point Sizes

icon-line_widthLine Width

File Prep – A Simple Overview