Troubleshooting Guide - Pressroom Conventional
On Press Issue: Roller Stripping
Potential Causes
Fountain solution has too little acid
Solution: Check conductivity vs manufacturers specifications. Adjust fountain solution mixture to manufacturers specifications.
Running too much fountain solution on dampeners
Solution: Reduce dampener settings.
Dampening rollers or blanket are gazed
Solution: Clean with chemical deglazer. Use metering roller cleaner on dampening rollers.
Ink rollers are glazed
Solution: Treat rollers with Copperizing solution. Check with manufacturer of fountain solution for proper ratio of gum in solution.
Ink is too strong
Solution: Examine formula, proof out to determine if ink is too strong. Reduce ink strength with tint base.
Tip
Solution:
- Wash rollers with white vinegar for 15 minutes. Rinse rollers with warm water for 15 minutes or perform calcium wash.
