Dirty
1) Insufficient development 2) Inappropriate sizing 3) Water roller cloth is too dirty 4) Ink is too soft (thin) / greasy.
5) Oxidation: In the case of water and ink treatment, ink spots appear on the surface of the plate. The version is "too dry". The plate absorbs ink from the water roller 6) Dirty during printing: insufficient glue in fountain solution 7) Dirty ribs around the cylinder: check dampening system / ink roller
The image is poorly inked, and the image is not affected by the ink
1) The glue on the graphic part is too sticky 2) Excessive use of plate cleaner 3) Dirty fountain solution paste 4) The ink lacks moisture resistance, the ink should be replaced 5) The pressure of the printing plate and the rubber roller is too large Fountain solution or alcohol
Paste version
1) Ink emulsification 2) Poor compatibility of ink and fountain solution 3) Detergent or cleaning agent on dampening roller 4) Improper setting of water roller 5) Reaction of fountain solution and paper
The version is worn, and the pictures and texts are prematurely destroyed
1) Overexposure 2) Too much roller lining, too large ink roller setting 3) Incompatible version cleaner, solvent or blanket cleaner 4) Roller or blanket too hard 5) Corrosive ink
Cracking in printing
1) The plate on the roller is loose 2) The plate is folded or not installed properly 3) The direction of the plate grit is wrong 4) The plate pad slides
Dots increase
1) Underexposure or underdevelopment 2) Poor contact between the film and the plate 3) Too much ink supply 4) Too thick plate or blanket pad 5) Inker setting is too hard 6) Fountain solution is too weak
Outlet loss
1) Overexposure or overdevelopment 2) Bad contact between the film and the plate
Color Gift Paper Box,Lid And Base Box,Costom Cardsboard Box,Color Logo Box
Dongguan Senfutong Paper Co., Ltd , https://www.boardgamefty.com