Plate Blinding

Plate has been improperly prepared

Review procedures for platemaking process

Surfactant has contaminated the dampening system

Make sure all parts of the dampening system that come in contact with detergent are thoroughly rinsed before being reinstalled on the press. Control the use of blanket and press washes, and plate cleaners

Plate cleaners or scratch removers have not been completely rinsed from the plate

Avoid using excessive amounts of plate cleaner or scratch remover. Rinse plates thoroughly afterwards. Be sure all water,sponges, rags, etc., that come in contact with the plate area are clean. Do not let cleaners dry on the plate!

Faulty or improperly set ink or dampening rollers are wearing plate

Check rollers for condition and settings

Blanket is overpacked or loose

Check packing or blanket tension. Set to manufac-turer’s specifications

Foreign particles are entering the ink train

Check materials such as paper, ink, and wash-up solution. Check overhead structure for foreign materials that may be dropping onto press