Heatset

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Linting and Picking

Problem:

Ink is too tacky for the stock being run.

Solution:

Replace with a lower tack ink.

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Problem:

Stock has insufficient lint or pick resistance.

Solution:

Change paper. Consult paper supplier. Install a brush or vacuum type paper cleaner.

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Problem:

Impression is improperly set for ink/stock combination.

Solution:

Set impression to manufacturer’s specifications.

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Problem:

Ink/water balance is improper.

Solution:

Adjust ink/water balance.

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Problem:

Blanket is too tacky.

Solution:

Treat blanket surface to reduce tack. Change to a quick release blanket. Check blanket wash solution. Consult your blanket supplier.

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Problem:

Blanket is improperly packed.

Solution:

Correct packing (underpacking as well as overpacking causes picking).

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Problem:

Ink formulation is too strong, forcing a thin ink film to be run.

Solution:

Use a weaker ink. Consult your Sun Chemical representative.

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Problem:

Ink is unstable.

Solution:

Use a more stable, lubricated ink formulation. Consult your Sun Chemical representative.

*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 heatset inks, coatings, color software and brand color management.

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