Dirty Print – Fill In

Problem:

Plate impression is excessive.

Solution:

Reduce plate to substrate impression.

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Problem:

Plates are uneven, worn, cupped, glazed or mismatched (slugged).

Solution:

Level, build up, clean, replace plates or entire mount.

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Problem:

Printing plate is too soft.

Solution:

Use a higher durometer plate.

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Problem:

Ink film applications are uneven due to press or plates that are not level.

Solution:

Adjust ink metering, print and anilox impressions, and roll parallel. Or replace plates.

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Problem:

Ink film too thick for plate and art design.

Solution:

Reduce ink film thickness by lowering ink viscosity, increasing ink metering effectiveness or decreasing anilox volume.

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Problem:

Positive or reverse type are too small for ink film thickness/metering.

Solution:

Revise art, screens and plates for press capabilities.

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Problem:

Paper dust collects in the press or ink and sticks to the plate.

Solution:

Clean press, plates and environment. Ensure clean, sharp slitting and sheeting.