Toning is the inability to remove fine ink particles that deposit on to the non — image area of the plate.
Tinting is ink pigments leaching from the ink and feeds back into the fountain solution, that then deposit in the non-image area of the plate.
|Wrong pH/Conductivity||Check and adjust as necessary. If problem persist consult with your F/S manufacturer|
|Roller settings or durometer not correct||Check durometer and roller settings. Replace or adjust as necessary|
|Plate to blanket pressure to high||Check and adjust to press manufacturer recommended settings|
|Plates||Check exposure and processors|
|Press washes ( Detergent or oil based)||Wash roller train and plates. Rinse 2 or 3 times thoroughly with warm water|
|Fountain solution to strong or weak||Consult with your F/S manufacturer|
|Water temps to high||Adjust recirculation tank chilling unit to 58°–65°. If no chilling unit available consider limited use of ice bags in recirculation tank|
|Ink Temperature||Increase ink vibrator chill water to 80°–90°|