The 5 Design Mistakes That Harm Your Print Materials
- 4 hours ago
- 3 min read
Why the graphic quality of your printed materials is crucial
Your flyers, business cards, posters, and brochures are often the first visual point of contact between your business and your customers. A sloppy or poorly thought-out design can undermine your credibility, obscure your message, or even discourage a prospect from reaching out.
At Graphistar, our graphic design studio in Lyon, we support dozens of small and medium-sized businesses with their print strategies. Here are the five most common mistakes we encounter—and how to avoid them.
1. Overload the information medium
Too much content kills attention
Trying to say everything on a single flyer is a classic mistake. A design that’s too cluttered strains the eye, dilutes the message, and makes it difficult to prioritize information.
✅ Tip: Focus on a strong message, a single call to action, and a clean, uncluttered design.
2. Using illegible or inappropriate fonts
Readability Above All
Fonts that are too thin, too fanciful, or too small make reading difficult, especially in print. The contrast between the text and the background is also crucial.
✅ Choose one or two fonts at most, with sizes appropriate for the medium (poster ≠ business card).
3. Poor management of colors and contrasts
Improperly calibrated colors = unpredictable results
What you see on the screen does not always match the printed result. The absence of CMYK conversion, colors that are too similar, or a lack of contrast can ruin the visual impact.
✅ Be sure to use color swatches, preview print outputs, and always approve a proof.
4. Neglecting margins, bleed areas, and resolutions
The most common technical error
Without bleed, your printer will cut into the design. A low-resolution image? A blurry result is guaranteed. A logo too close to the edge? It will be unreadable.
✅ A good print file must follow specific rules: 300 dpi, 3 mm bleed, inner margins, CMYK…
5. Neglecting graphic consistency with your visual identity
Your logo, your colors, your brand identity
Changing your graphic style for each medium dilutes your brand image. Customers won’t recognize you right away.
✅ Every printed piece should reinforce your visual identity: same style, same colors, same approach.
Real-life examples of failed print projects… then saved
Before: Business card with 7 colors, 3 different fonts, pixelated logo
After: Streamlined, well-structured design, printed on 350g textured paper
Before: RGB flyer, poorly printed black background, low contrast
After: CMYK version, improved contrast, integrated QR code, better readability
Need graphic design services in Lyon?
At Graphistar, we help you:
create your printed materials from start to finish,
check your existing files before printing,
ensure all your materials are consistent with your brand guidelines.
FAQ – Print Design: Frequently Asked Questions
What is the ideal size for a flyer?
The most common size is A5 (148 × 210 mm), which is easy to distribute and cost-effective. Other sizes, such as DL or A6, are also used depending on the purpose.
Can I print directly at your location?
Yes. Our studio is equipped with professional printing equipment. We deliver your visuals to you fully tested, calibrated, and verified.
What does your graphic design service include?
Visual design (flyers, cards, brochures, etc.)
Compliance with technical printing requirements
Advice on paper selection and finishes
On-site printing available


