HP Indigo ws4500 Rewinder Service - Page 86

What to do if the blocking is too high, Reduce RW tension and or modify tapper tension.

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What to do if the blocking is too high Follow the steps if the blocking is too high. 1. Check the primer condition. Old and contaminated primer can increase the blocking. 2. Make sure that the corona power is not too high, but sufficient for the application. 3. Make sure that the priming level is not too high but sufficient for the application. 4. Make sure that the dryer set up is properly. Check it by performing a "tape test". 5. Reduce RW tension and or modify tapper tension. What to do if the blocking is too high 83

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What to do if the blocking is too high
Follow the steps if the blocking is too high.
1.
Check the primer condition. Old and contaminated primer can increase the blocking.
2.
Make sure that the corona power is not too high, but sufficient for the application.
3.
Make sure that the priming level is not too high but sufficient for the application.
4.
Make sure that the dryer set up is properly. Check it by performing a “tape test”.
5.
Reduce RW tension and or modify tapper tension.
What to do if the blocking is too high
83