4. Transformer is defective
a. Replace the transformer.
Problem:
Straight wave lines across the output.
Cause:
Excessive front roller pressure.
Measure:
Loosen the front roller pressure.
Problem:
Concave waves in the lamination.
Cause:
Excessive rear (pulling) roller pressure.
Measure:
Loosen the rear back roller pressure.
Problem:
Angled waves on both sides of the output.
Cause:
Insufficient rear roller pressure.
Measure:
Tighten the rear roller pressure.
Problem:
Angled waves on one side of the output.
Cause:
Insufficient rear left (or right) side roller pressure.
Measure:
Tighten the rear left (or right) side roller pressure.
Problem:
Straight waves in the output.
Cause:
Excessive heat at the nip rollers.
Measure:
Lower the roller temperature.
Problem:
Wake waves.
Cause:
Insufficient heat at the nip rollers.
Measure:
Raise the roller temperature.
Problem:
Curling.
Cause:
1.The film tension is very tight;
2.The decurling bar is not in the working location.
Measure:
1.Loose the tension;2.Adjust the decurling bar to working location.
2.5 Poor Lamination Quality
Transformer
9
