Short answer: Open the artwork in a tool that can show transparency and inspect it against both light and dark backgrounds. Keep intentional white shapes, remove only unwanted background content and check the edges. PNG supports transparency, but the file must actually contain it; partial-opacity effects need production review.
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Distinguish three different intentions
| What you see | Question | Action |
|---|---|---|
| White rectangle around a logo | Is the rectangle part of the intended design? | Remove it only if it is unwanted artwork |
| White letters on transparent space | Are the white shapes intentional? | Keep them and inspect against a dark reference |
| Empty areas inside a design | Should garment colour show through or should they print white? | Confirm the intended fill or transparency |
| Soft shadow or fading edge | Does the proposed process support this treatment as supplied? | Flag it for technical review |
| Visible checkerboard pattern | Is it the editor's transparency display or actual image pixels? | Inspect the original file, not only a screenshot |
Adobe's PNG documentation describes a raster format that supports transparency. A PNG saved with a solid background remains a PNG; its extension does not prove the background is empty.
Inspect the whole edge after removing a background
- Keep the original file before making changes.
- Use a light reference background, then a dark one, to reveal different edge problems.
- Check outside edges and enclosed spaces inside letters or shapes.
- Look for unwanted pale halos, fragments, rectangles and accidentally removed white artwork.
- Check again at the proposed print size, not only while zoomed in.
- Send the original and explain any unresolved edge or opacity question to ANCO.
The STAHLS artwork specification distinguishes unwanted background rectangles, white fill, transparent areas and soft edges for its named transfer product. Follow the requirements of the actual process after review; do not treat automatic background removal as a production approval.
Illustrative example: a white logo appears blank
A dark reference reveals the intended artwork
Illustrative example · Not a documented customer order
A coordinator opens a white logo on a white preview and thinks the file is empty. In an editor with a dark reference background, the intended white lettering becomes visible. The empty surrounding area is transparent; the letters are not.
The coordinator preserves those white shapes and checks for stray edge pixels. They send the original artwork with the intended dark garment colour and ask for review, rather than flattening the preview onto a dark rectangle that could become unwanted printed content.
Keep the garment preview separate from the artwork
A mockup can show how you want the design to look on a shirt. Label it as a reference and also supply the actual artwork. Do not make the garment-colour rectangle part of the delivery design unless you intend that rectangle to print.
Discuss the file with ANCO's DTF printing service. Check resolution at physical print size as a separate task. Use the artwork-format guide to keep the editable original, production artwork and garment preview distinct.
Sources and scope
Manufacturer examples explain specific products and do not confirm ANCO stock, equipment or suppliers. ANCO reviews the proposed garment, artwork and order before confirming suitability.