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Prepress Checklist

How to Prepare Print-Ready Artwork for Commercial Printing: Prepress Checklist

Nothing is more frustrating than receiving a batch of printed brochures or product packaging boxes only to discover blurred photographs, cut-off typography, or muted colors. In 95% of cases, printing discrepancies originate from artwork files created in RGB color spaces, without bleed margins, or exported at low screen resolutions. Follow this commercial prepress guide to prepare flawless files for our Jaipur offset press.

Shekhawati Printers Prepress Team • Published: 2026-10-18

The 5 Golden Rules of Commercial Print Artwork

1. Design in CMYK Mode, Never RGB

Computer monitors and smartphone displays emit light in RGB (Red, Green, Blue). Commercial offset and digital presses print physical ink using CMYK (Cyan, Magenta, Yellow, Key Black). Neon greens, electric blues, and vivid oranges in RGB cannot be reproduced in standard CMYK. Always set your document color mode to CMYK before placing images.

2. Maintain 300 DPI Image Resolution

Images downloaded from websites or WhatsApp are typically compressed to 72 DPI. While they look sharp on screens, they appear visibly pixelated and fuzzy when transferred to CTP offset plates. Ensure all photographic images are 300 DPI at 100% of their final printed physical dimensions.

3. Include 3mm Bleed on All Edges

Commercial guillotine cutters trim stacks of hundreds of paper sheets simultaneously. Slight mechanical shifts (0.5mm to 1mm) naturally occur during high-speed cutting. If background colors or photos stop precisely at the cut edge, tiny white slivers may appear. Extend all edge graphics 3mm beyond the final cut line.

4. Keep Critical Content Inside the 4mm Safe Zone

Place all text, telephone numbers, logos, and QR codes at least 4mm to 5mm inside the trim line. This prevents valuable contact details from being sliced off during post-press finishing.

5. Convert All Typography to Outlines / Curves

If our prepress rip workstations do not have your exact custom corporate fonts installed, software may substitute fonts and disrupt your layout. In Adobe Illustrator or CorelDraw, select all text and convert to outlines (Ctrl+Shift+O in Illustrator, Ctrl+Q in CorelDraw).

Recommended File Formats for Commercial Submission

  • High-Resolution PDF (PDF/X-1a or PDF/X-4): The worldwide industry standard. Preserves vector fidelity, embeds fonts, and locks bleeds in place.
  • CorelDraw (.CDR): Very popular for regional printing in Jaipur. Please convert text to curves and save in CorelDraw version 17 or lower or export directly to PDF.
  • Adobe Illustrator (.AI): Packaged with linked vector assets and outlined typography.

Free Prepress File Audit at Shekhawati Printers

Before committing your bulk order to plates, our technical prepress department in Kartarpura, Jaipur inspects every submitted file for bleed margins, resolution compliance, and CMYK color safety. Submit your files with confidence or consult our technical team via our contact page.

Frequently Asked Questions

What is the difference between trim line, bleed line, and safe zone?

The trim line is the final dimension where the sheet is cut. The bleed line extends 3mm outward beyond the trim to prevent white paper borders. The safe zone sits 4mm inside the trim line to ensure text and logos are protected from cutting shifts.

Can I submit artwork designed in Canva for commercial offset printing?

Yes, provided you export using the 'PDF Print' option, check the 'Crop marks and bleed' checkbox, and ensure you selected CMYK color profile during export.

What should the resolution be for large format flex banners?

Unlike offset printing which requires 300 DPI, large outdoor flex banners viewed from 10 feet away are generally prepared at 100 to 150 DPI at actual printed dimensions.

Have Questions About Your Print Project in Jaipur?

Our technical prepress and production specialists at F-93, Kartarpura, Bais Godam, Jaipur review your artwork, recommend cost-effective paper weights, and calculate bulk factory quotations.

Request Technical Consultation WhatsApp Prepress Team