Ink Off-Shade

The shade of a printed ink does not match the color standard can.

Problem:

Wrong ink is used.

Solution:

Ensure the code of the ink is the correct one for the design.

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Problem:

Incorrect ink film weight.

Solution:

Check and correct.

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Problem:

Poor lay of the ink.

Solution:

See specific point of ink lay.

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Problem:

Low roll or head pressures.

Solution:

Check and adjust roll pressures and parallel; ensure that there is enough head pressure.

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Problem:

Ink contaminated on bucket.

Solution:

Make a roll-out and compare with the color of the standard can.

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Problem:

Ink contaminated on the fountain.

Solution:

Clean and refill with fresh ink. Change the ink sequence from lighter to darker color, if necessary.

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Problem:

Poor color match.

Solution:

Print a roll-out and check vs standard. Modify the recipe, if necessary.