Energy Curable

Print page

Dot Gain Rendering

Problem:

Rollers and pressures are improperly set.

Solution:

Reset rollers and pressures.

______________________________________________________________________

Problem:

Rollers or blankets are too soft.

Solution:

Condition or replace rollers or blankets.

______________________________________________________________________

Problem:

Ink is low in viscosity and/or tack.

Solution:

Consult your Sun Chemical representative.

______________________________________________________________________

Problem:

Ink is too receptive to water, over-emulsified and/or incompatible.

Solution:

Consult your Sun Chemical representative.

______________________________________________________________________

Problem:

Ink is not strong enough; ink film is too heavy.

Solution:

Consult your Sun Chemical representative.

______________________________________________________________________

Problem:

Blankets are packed improperly or too much impression pressure exists.

Solution:

Check packing and pressure.

______________________________________________________________________

Problem:

Ink is piling.

Solution:

Consult piling section of this guide.

______________________________________________________________________

Problem:

Plate is poorly desensitized.

Solution:

Consult your pre-press department.

______________________________________________________________________

Problem:

Plate is improperly exposed and developed.

Solution:

Consult your pre-press department.

______________________________________________________________________

Problem:

Dampening system is dirty.

Solution:

Clean the dampening system.

______________________________________________________________________

Problem:

Fountain solution pH or conductivity is out of balance.

Solution:

Adjust pH and conductivity to manufacturer’s specifications.

______________________________________________________________________

Problem:

Slurring or doubling appears in half-tone.

Solution:

Check cylinder pressures, blanket tension, and roller slippage. Check mechanical operation of unit.

*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 portfolio of inks, coatings, color software and brand color management for energy curable printing.

Learn About Sun Chemical's Energy Curable Solutions