F - 160 CE Operation and Maintenance Manual | Troubleshooting |
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7.2 Film problems
The following is a list of common film problems you may encounter.
For definitions of terminologies, please refer to 7.4 Glossary of terminology.
Problem: Delamination
Hints: • Check operating temperatures
•Check operating speed
•Laminate compatibility with ink
•Ink compatibility with paper
7.2.1 Thermal laminates
Problem: Blistering within the image
Hints: • Increase the speed
•Decrease the operating temperature
•Allow a longer drying time for the image
Problem: Coiling or curling of encapsulated images
Hints: • Balance the upper and the lower brake tension
•Make sure set point temperatures are the same
•Change the chill idler configuration
( if applicable )
Problem: Silvering in the laminate
Hints: • Decrease the speed
• Increase the operating temperature
7.2.2 Pressure sensitive
Problem : Silvering in the laminate
Hints : • Add 100 - 120oF ( 37 - 49oC ) to the temperature
• Increase pressure to laminating rolls
Problem : Tunneling
Hints : • Print should be wound image side out.
•Do not roll tightly
•Do not roll at all.
Problem : Image creases when mounting
Hints : • Press down on leading edge from center outwards.
•Be sure image is conformed to the roll
•Use a speed you are comfortable with
•Be sure even tension is supplied to the image
© GBC Films Group April 2000 | Page 7 - 3 |
