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