Fountain solution has wrong pH or conductivity

Adjust pH/conductivity to manufacturer’s specifications.  Consult a Sun Chemical representative

Roller durometer or setting is wrong

Use proper roller and check setting

Prolonged use of a detergent wash has occured

Wash-up thoroughly and use hot water for final wash-up

Too much pressure exists between plate and blanket

Check and reset

Paper coatings and fountain solution are contaminating and glazing the ink train rollers

Use lowest tack ink possible, and properly balanced dampening solution

Plates are improperly exposed and developed

Consult your pre-press department

Ink is improperly formulated

Consult a Sun Chemical representative

Detergent is present in fountain solution

Eliminate detergent

Temperatures are too high in fountain solution pan and/or ink vibrator roll

Adjust to recommended temperature range