INK

● Too low in viscosity to carry the pigment, varnish is not water resistant.

●Pigment is hydrophilic and bleeds in water and alcohol.

● Add a high viscosity varnish to the ink.

● Reformulate ink with water and alcohol resistant pigments.

PAPER

● Contain solustion is extracting an emulsifier or sensitizing agent from the paper coating.
Proof : substitution of another paper stops the tinting.

● Replacement of paper.

● Too much acid in fountain solution

● Check PH of fountain solution and reduce acidity. Reduce amount of solution