Rubber rollers are glazed
Normally this is gum glaze. Deglaze rollers with glaze remover, wash-up thoroughly, and use hot water for final wash-up
Fountain solution is too acidic
Adjust pH of fountain solution according to supplier specifications
Too much gum is in fountain solution
Do not add additional gum to fountain solution. Consult supplier if problem persists
Ink is too strong
Consult your Sun Chemical representative