Ink is transferring from one page to the next or book to book when completed.
Printed signatures or sheets in bundle or load are sticking together.
|Oven temperature too low for web speed.||Increase oven temperature.|
|Excessive ink film thickness||Decrease ink settings, or consult ink manufacturer to increase strength.|
|Air flow in oven not sufficient to remove solvent vapors.||Increase air flow at air-knife scavenger at dryer exit.|
|Chill system not working properly.||Lower chill roll temperature to make sure ink resins are setting properly.|
|Paper stock is not porous enough, water content too high.||Switch paper stock for better porosity and moisture content.|
|Bundling pressure setting too great causing a resoftening of ink.||Adjust pressure to manufacturers specifications.|
|Ink taking on too much water.||Consult ink manufacturer for lower water pickups.|
|Incorrect pH and conductivity in fountain solution.||Check pH and conductivity of solution, rebatch if not at correct settings. Consult Fountain chemistry supplier.|
|Ink not drying at normal operating conditions||Consult Ink manufacturer.|
|Ink is only drying on surface.||Reduce press speed and adjust oven temperature to adequately dry ink.|