Question
What file format should I use for offset printing?
Answer
Submit a print-ready PDF built to press standards. Getting the color mode, resolution, bleed, and fonts right up front is what prevents color shifts and font substitutions once the job runs.
- Format: a flattened, print-ready PDF is the safe standard.
- Color mode: CMYK, not RGB, so on-screen colors translate correctly to ink.
- Resolution: 300 DPI for crisp images and type.
- Bleed: 0.125 inch on all sides for edge-to-edge elements.
- Fonts: outline all fonts to prevent substitution.
A quick prepress check before printing catches most issues, so review your file against these points before you submit.
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