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.