Sheetfed

Print page

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.

______________________________________________________________________

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.

______________________________________________________________________

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.

______________________________________________________________________

Problem:

Rollers are worn or improperly set.

Solution:

Check rollers for damage and settings.

______________________________________________________________________

Problem:

Ink tack is too low.

Solution:

If possible, increase tack to maximum allowable for substrate being printed. Consult your ink supplier.

*The solutions provided from the troubleshooting guide are general in nature, please contact or your sales or technical representative to discuss specific issues.

Information about Sun Chemical

Sun Chemical offers a broad ink and coating product portfolio with a wide range of capabilities that include sheetfed inks, coatings, color software and brand color management.

Learn About Sun Chemical's Sheetfed Products