Troubleshooting Guide - Pressroom Conventional
On Press Issue: Plate Wear
Potential Causes
Plates are processed improperly
Solution: Check plate developing process, include Stouffer scale.
Ink and/or water form rollers improperly set
Solution: Adjust to manufacturer's specifications.
Excessive linting
Solution: See picking/linting.
Fountain solution is too concentrated
Solution: Check conductivity and adjust as necessary. Make fresh solution.
Plate and blanket cylinders improperly packed
Solution: Check with a Cologht or Baldwin gauge and set to manufacturer's specifications.
Plates are run beyond their capabilities
Solution: Switch to a higher quality plate which will result in longer plate life.
Inks are too strong resulting in starving the image area
Solution: Reduce strength of inks to improve plate lubrication.
Ink has extremely poor grind
Solution: Check ink grind. Regrind or re-make ink.
Form rollers are too hard
Solution: Check with durometer gauge. Replace form rollers if needed.
