How to tell foil pinholes from lookalikes on a food web
On a food web, split foil pinholes from lookalikes: a print white spot is in the ink layer, not in the foil. Until you can tell them apart, do not adjust the press for the wrong cause. Small spots in the foil show the base color.
On a food web, split foil pinholes from lookalikes: a print white spot is in the ink layer, not in the foil. Until you can tell them apart, do not adjust the press for the wrong cause. Small spots in the foil show the base color.
Name it wrong and you adjust the wrong place
Small spots in the foil show the base color. If you call it something else, you skip this step: check temperature, pressure, and the foil first. Do not add ink to the print. The ingredient list and the heat-seal area decide release. They do not decide what it is called.
How to tell them apart
| What you see | Closer to | How to separate |
|---|---|---|
| Small spots in the foil show the base color. | Foil pinhole | Do not name it from one white spot |
| A print white spot is in the ink, not in the foil. | Handle it as that other defect | Do not use the same adjustment |
| It sits on the ingredient list and the heat-seal area | Protect this area first | Do not ignore the location just to name it |
Confirm on the spot
- Look, or use a loupe: the base color shows through the foil.
- Rule it out: a print white spot is in the ink, not in the foil.
- Check temperature, pressure, and the foil first. Do not add ink to the print.
