Misting or Slinging

Problem:

Roller train is too hot.

Solution:

Form roller temperatures should be 72°-80°F (22°-26°C). Higher temperatures will lower the tack and viscosity of the ink. Lower temperatures will increase the body of the ink.

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Problem:

Ink/water setting is out of balance.

Solution:

Check chemistry for pH, conductivity, Brix level and temperature. Adjust settings to run minimum amounts of ink and water.

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Problem:

Too much ink is being carried in an effort to achieve the desired density.

Solution:

If possible, substitute a stronger ink to reduce the ink film thickness on the rollers or run as a double hit.

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Problem:

Rollers are worn or improperly set.

Solution:

Check rollers for damage and settings.