All Guides
What Is DPI? Print Resolution Explained
DPI made simple. What dots per inch is, how it differs from PPI, and the exact DPI for flyers, cards, and posters so your print stays sharp. Read now.
A Guide to Creating Commercial Print-Ready Files
Print file preparation step by step. Set CMYK color, 300 DPI images, bleed and trim, and embedded fonts, then export a press-ready PDF that prints right.
Bleeds, Cut Line and Safety Checklist for Printing
Bleed, cut line, and safe zone for print-ready files: the standard 0.125-inch bleed, a checklist, and where to set each line so nothing gets trimmed.
Cutting and Trimming Machines Explained
How print cutting and trimming machines work: guillotine cutters, die cutters, laser cutters, three-knife trimmers, and corner rounders for clean edges.
2-Color Printing Using Pantone or Spot Color Inks
Two-color printing uses two Pantone spot inks for crisp, on-brand color at a lower cost than full CMYK. Learn when to use it and how to set up your file.
How Do I Format My Artwork for CMYK?
How do I format my artwork for CMYK? Set the CMYK color mode, keep images at 300 DPI, add bleed, and export a press-ready PDF from any design app.
How to Match Pantone to CMYK Color
How to match Pantone (PMS) to CMYK for print. A practical conversion method, a Pantone-to-CMYK values chart, and brand-color tips for cards and flyers.
Why Printing Uses CMYK
Why does printing use CMYK instead of RGB? Ink subtracts light while screens add it. Learn the four process inks and how to convert files to CMYK.
Shrink Wrapping That Protects and Bundles Your Bulk Print Runs
Shrink wrapping seals booklets, catalogs, brochures, and card sets in clear, tamper-evident film that protects every bundle in transit. Add it to your order.
Understanding OSHA Safety Colors and ANSI Color Codes for Workplace Safety
OSHA and ANSI safety colors and their meanings, from danger red and warning orange to safety green, plus hard hat colors and how to print the exact code.
How to Build or Rent a Mailing List for Direct Mail
How to build or rent a mailing list for direct mail. Compare renting, buying, and building, then print addressed postcards at 4OVER4.COM.
Types of Direct Mail Advertising
Types of direct mail advertising: postcards, letters, brochures, catalogs, flyers, and EDDM. See which fits your campaign and print it at 4OVER4.COM.
