| Ursache
| Maßnahme
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| The humidity level in the package has changed during storage. |
A plastic film or layer should be used on the package. This guarantees that the humidity level in the package is the same as it was during converting and protects from variations in external humidity. |
| Temperature at the end-user's place is different to the temperature of the sheets in the package. |
When sheets are delivered in winter time, for example, wait a few hours after taking them indoors before you start to print. |