Poor layer of the second down ink on the
first down ink in multicolor offset printing.
tack value of the second down ink is higher than that of the first
down ink.(Imbalance of tack)
tack sequence according to the color sequence(subsequent inks must
have lower tacks.)
of distribution of dampening water among the units breaks the balance
amount of the second down ink than the first down ink.
setting of impression pressure.
ink transfer due to old blanket.
the amount of dampening water among the printing units.
¡ÜIncrease the distribution of the second
¡ÜAdjust the impression pressure.
¡ÜUse a new blanket.