Foreign matter appears in inke
Filter or replace ink, eliminate source of contamination
Ink is drying too fast
Add slower drying solvants to reduce tack. Tacky inks will usually show stringing from two edges
Ink put of balance-pigment to resin, resin to solvant
Add resin I refresh ink, make sure the correct solvant is being used. Make sure ink is well mixed.
Plate relief height is incorrect
Adjust plate relief to correct height range
Plates are worn, uneven, uncupped or poorly made
Check plates and replace if necessary.
Print impression is excessive
Reset plate pressure to 'kiss' impression
Water based ink ph is too low
Increase water based ink ph.
For more information, please contact us.
