Launch Lab
Code 0004: Resolution of images under 270ppi
Error: Image resolution under 270ppi
Your Launch Lab Preflight Report PDF has returned the following error:
What is the problem?
Digital image files are made of hundreds of thousands of pixels. When a print file uses too few pixels per inch (ppi, sometimes called dpi), the image quality suffers. It can look jagged, pixellated, or fuzzy.
This is why you can't pull images from the internet and expect them to print well. Typically, images for the screen only have resolutions of between 75ppi to 100ppi. Images like this look perfect on a screen, but print poorly.
300ppi (three hundred pixels per inch) is typical professional print quality. Even up close, you won't see any jaggedness or pixels in a 300dpi print. Some designers like to work at even higher resolutions, like 600ppi or 1200ppi. More pixel density means larger file sizes, however. 300ppi offers an ideal balance between image quality and a manageable file size.
Images slightly under this threshold (between 270ppi-300ppi) may be acceptable, and will only trigger a system warning. However, images under 270ppi will print very poorly and will trigger a system error.
How do I fix it?
We recommend using Launch Lab's print templates. These are already set up at the correct image resolution - when you open them in your software, and create your artwork in them, you won't have to worry about resolution.
If you're working with your own files, you can check your image resolution in your software. In Photoshop, for example, you can find this information in the Image menu. Click Image size and look for the number next to Resolution.
Once you've ensured all parts of your file have a resolution of at least 300dpi, re-export and re-upload your file.
Further help
If this error code persists after you upload your modified document, please contact support@launchtabletop.com for assistance.
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