Emballage à base de papier
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TROUBLESHOOTING
Welcome to the ACTEGA Troubleshooting Hub
Everybody knows the challenges during the sheet-fed offset printing process: from the basics to the most complex. With detailed explanations and step-by-step guides, we inform you about sources of error, their reasons and support your solution.
Browse popular topics and resources.
Troubleshooting
Orange peel effect
This refers to a coating layer characterized by a surface similar to an orange peel (running disturbances).
Troubleshooting
Curling
Uncoated substrates absorb more moisture and hence are more prone to curling.
Troubleshooting
Ink build-up on the coating plate
A phenomenon that especially appears while using two-roller systems.
Troubleshooting
Breaking in the Fold
This is the breaking of the substrate‘s outer layers during folding.
Troubleshooting
Missing gloss (draw back)
The more even the surface, the stronger the reflection and the higher the gloss.
Troubleshooting
Structures in matt coatings
The matter the coating, the higher the danger of texture in the matt coating.
Troubleshooting
Viscosity difference
Only if the coating has been properly adjusted, a problem-free application out of the coating unit can be provided.
Troubleshooting
Insufficient scratch and scuff resistance
If properly processed, inks and coatings provide good resistance.
Troubleshooting
Adhesion problems with UV coatings
Different factors can have an influence on adhesion.
Troubleshooting
Cracks in the coating layer
Cracks in the coating layer (cracking) result from tension.
Troublshooting
Sensory Problems
Odour and taste are subjective experiences. However, they can have a great influence on the quality of printed products.
Troubleshooting
Blocking of printed sheets
The blocking of printed sheets in the pile is a result of insufficient drying of inks or coating.
Troubleshooting
Insufficient curing of UV coating
Insufficient curing of UV coatings can influence the quality of your printed product.
Troubleshooting
Insufficient drying of water based coating
The drying behaviour plays a major role in printing and further processing.
Troubleshooting
Micro foam in coatings
Foam is the result of air distribution in the coating and can cause various problems.