Your logo looks sharp in Canva. You export it, upload it for printing and expect the same result on your T-shirt. Instead, the edges look fuzzy, the tiny lettering has disappeared or there's a faint outline around the design. So what's gone wrong?
Sometimes the problem starts with the artwork file rather than the printing process. A design can look perfectly good on screen but contain issues that only become obvious when it's printed at full size.
Whether you're preparing your first clothing collection or ordering custom garments for your business, understanding these problems can save you time, money and disappointment. Here's how to identify what's going wrong and what you can do to fix it.
What's Wrong with Your Printed Design?
Before changing your artwork, it helps to understand what might be causing the problem.
Why Your Design Looks Blurry or Pixelated
One of the most common problems with clothing printing is artwork that doesn't have enough resolution for the intended print size. Imagine you've downloaded your logo from Instagram. It looks perfectly sharp on your phone, so you assume it'll work just as well printed across the back of a hoodie.
Unfortunately, that isn't how digital images work.Most images are made up of pixels. When you enlarge a small image, you're stretching those pixels across a bigger area. Eventually, the edges become blurry or jagged, and fine details start to disappear. This is why the actual pixel dimensions of your artwork matter.
For example, if you want to print a design 30 cm wide, a raster image prepared at 300 DPI would need to be approximately 3,543 pixels wide. That doesn't mean every design must be exactly 300 DPI. The ideal resolution depends on the artwork, printing method and intended size. However, it's a useful starting point for detailed raster designs. If your original image is only 600 pixels wide, simply changing its DPI setting to 300 won't restore the missing detail.
What should you do?
Find the original artwork wherever possible. If your logo was created in Adobe Illustrator or another vector-based design programme, the original vector file may be much more suitable than a small exported image. If all you have is a blurry screenshot, the design may need to be properly recreated rather than simply enlarged.
Why Your Logo Has a White Box or Strange Outline
You've created a logo that should sit neatly on a black T-shirt, but the finished design has an unwanted white rectangle behind it. Or perhaps the background is gone, but there's still a faint white edge around the lettering. These are two slightly different problems.
The first usually happens when the background is included in the artwork file. JPEG files, for example, don't support transparency, so a design saved against a white background will retain that background. A PNG can support transparency, but only if the artwork has been exported correctly. The second problem can occur when unwanted pixels remain around the edges of a design. This sometimes happens when backgrounds are removed automatically or artwork is exported with partially transparent pixels around its edges.
Those pixels might be almost invisible on a white screen but become noticeable when the design is printed onto a dark garment.
What should you do?
Open your exported artwork against both a light and dark background. Check closely around the edges of logos, lettering and illustrations. Look for unwanted borders, background colours or faint halos. If you find them, return to the original design file and clean up the edges before exporting it again. Remember, a transparent background and a white background aren't the same thing.
Why Fine Details and Small Text Disappear
Not every printing problem is caused by poor image resolution Sometimes the artwork is technically perfect, but the design itself contains details that are too small to reproduce clearly at the intended size. Think about an intricate illustration with thin outlines, tiny lettering and lots of small gaps between elements.
It might look fantastic when you're zoomed in at 400% on your laptop. But reduce it to a small chest print and those details can become difficult to distinguish. Fabric also behaves differently from paper. A T-shirt has fibres and texture, while a hoodie may have a thicker, more textured surface. These characteristics can influence how extremely fine elements appear. Both DTG and DTF printing can reproduce impressive levels of detail, but neither can guarantee that every tiny element will remain perfectly defined on every garment.
What should you do?
View your design at its actual intended print size. If the lettering is difficult to read or the details appear crowded, consider increasing their size, thickening fine lines or simplifying the artwork.
For clothing brands, this might mean preparing separate versions of a design for a small chest logo and a large back print. The goal isn't to remove detail unnecessarily. It's to make sure the important parts of your design remain visible when somebody is actually wearing the garment.
Why Gradients, Shadows and Faded Edges Don't Look Right
Some artwork relies on smooth transitions rather than solid shapes. You might have a graphic that gradually fades into the fabric, a soft shadow behind some lettering or a glow effect around an illustration. These effects can look excellent digitally, but they can require more careful preparation for garment printing. One important distinction is the difference between transparency and a colour gradient.
A gradient can transition between two solid colours, while a transparency effect gradually reduces the opacity of the artwork until the garment underneath becomes visible. That distinction matters because different printing methods handle these effects differently.
With DTG (Direct-to-Garment) printing, ink is applied directly to suitable fabric. It can be particularly effective for detailed designs and softer transitions, although the garment and ink preparation still influence the result.
With DTF (Direct-to-Film) printing, the artwork is printed onto a film and transferred onto the garment. DTF can reproduce detailed, full-colour graphics, but very soft transparent fades and isolated semi-transparent pixels may need special attention during preparation.
White ink can also play a role. When printing onto darker garments, white ink may be used beneath coloured artwork to help maintain visibility and opacity. How that white layer is prepared can affect the appearance of edges and transitions. This doesn't mean you should avoid gradients or faded effects. It means the artwork needs to be prepared with the intended printing method in mind.
What should you do?
If your design relies on soft fades, transparency or complex effects, show it to your printer before production.
A small adjustment to the file or a different printing approach may help achieve the finish you're looking for.
Are You Sending the Right Artwork File?
Customers often ask whether PNG or JPEG is better for T-shirt printing. The answer depends on the artwork. A high-quality PNG can be ideal for detailed raster designs, particularly when a transparent background is required. JPEG files can work for some photographic artwork, but they don't support transparency and can introduce compression artefacts.
Vector formats such as SVG are useful for logos, lettering and clean graphics because they can be scaled without losing sharpness. PDF files can also be suitable, especially when they contain original vector artwork.
However, there's an important catch.
A PDF isn't automatically a high-quality print file.
If you've placed a blurry screenshot into a PDF, the artwork inside is still blurry. The same applies to converting a small JPEG into a PNG. Changing the format doesn't improve the original image.
If you've created your design in Canva, Adobe Illustrator, Photoshop or another design programme, keep the original working file wherever possible. When exporting, choose settings that preserve the artwork's quality, dimensions and any transparency it requires. And before sending anything, check which file formats your printer accepts.
How to Prepare Artwork That's Actually Print-Ready
Getting artwork ready for clothing printing doesn't have to be complicated. Before uploading your design, work through these checks:
Start with the original file. Avoid screenshots, social media downloads and compressed copies wherever possible.
Confirm the intended print dimensions. Decide whether the artwork is for a small chest logo, full front print or large back graphic.
Check the resolution at that size. Don't assume an image is suitable simply because it looks sharp on your phone.
Inspect the background. If your design requires transparency, check the exported file against a contrasting colour.
Look closely at small details. Make sure lettering, thin lines and intricate elements remain readable at the intended size.
Check the proportions. Resize artwork without stretching or distorting the original design.
Review gradients and transparency. If your design contains complex effects, ask whether any adjustments are needed for DTG or DTF.
Use an accepted file format. Your printer should be able to confirm which formats work best for their production process.
These checks won't guarantee a perfect print in every situation, but they can eliminate many avoidable artwork problems before production begins.
When Should You Ask Your Printer for Help?
Not everyone launching a clothing brand is a graphic designer, and you shouldn't need to become an expert in print production to get a good result. Maybe you've created your artwork in Canva. Perhaps you've commissioned an illustrator or you've inherited a company logo that only exists as a small JPEG.
If you're unsure whether the file is suitable, it's worth speaking to your printer before placing an order. There are also times when the artwork itself isn't the problem. For example, if your original file is sharp and correctly prepared but the finished print looks blurred, the issue could involve garment suitability, print settings or another part of production.
Similarly, problems with adhesion, curing or transfer application can't necessarily be fixed by changing the artwork. A good printing company should help distinguish between file-related problems and issues that need investigating during production.
At Print Blanc, we use professional DTG and DTF printing equipment in our Manchester studio. We understand how artwork, fabric and printing methods work together, and why choosing the right approach matters. If you're unsure about your design, discussing it before production is far better than guessing.
The Final Check: See Your Design on the Garment
Even when your artwork passes every technical check, it's still worth seeing how it looks on the actual clothing. A physical sample lets you inspect the print at its finished size, check the detail and see how the design works with the fabric. It also gives you an opportunity to assess the colours, placement and overall appearance before committing to a larger order.
For clothing brands preparing a new collection, this is particularly valuable. A design that looks perfect in a digital mock-up might need a small adjustment once you've seen it on the garment. That's exactly what sampling is for.
Get Your Artwork Ready for Print with Print Blanc
A disappointing print doesn't always mean you've created a bad design. Sometimes the original file is too small. Sometimes the background hasn't been removed properly. Other times, a few details need adjusting to work better on fabric. The important thing is identifying those issues before they affect your finished garments.
At Print Blanc, we help clothing brands bring their designs to life through professional DTG and DTF printing, using quality garments and in-house production at our Manchester studio. If you're unsure whether your artwork is ready for printing, get in touch with our team to discuss your design, chosen garment and the finish you're hoping to achieve. You can also start with a printed sample, giving you the opportunity to see the finished result before moving into bulk production.
Get the artwork right, choose the right printing approach and make sure the finished garment does your design justice.