---
type: guide
title: "What Preflight Catches Before Your Job Ever Prints"
description: "What preflight checks catch before printing (bleed, resolution, fonts, color) and how 4OVER4's free proofs keep your job error-free."
resource: https://www.4over4.com/guide/what-is-preflight-in-printing
tags: ["guide"]
timestamp: 2026-08-08T21:25:50.722Z
---

# What Preflight Catches Before Your Job Ever Prints

What preflight checks catch before printing (bleed, resolution, fonts, color) and how 4OVER4's free proofs keep your job error-free.

See [all guide concepts](index.md).

- Page type: guide
- URL: https://www.4over4.com/guide/what-is-preflight-in-printing