HAIRINESS ON THE PRINT EDGES
This problem is mostly caused by static charge. However, improper buffer shape or paint fluidity can also cause this problem. Causes and solutions:
Causes of Pad
- If a straight bumper is used, a more tapered bumper should be tried.
Causes of Printing Block
- If the cliché is too deep, the printing should be tried with the cliché at the appropriate depth.
- If the cliché is without raster or with an incorrect type raster, clichés should be prepared and tested with different rasters.
Causes of Ink
- If the ink dries too slowly, fast thinner should be used.
- If the ink is too thick, thinner should be added to the ink.
Material-Related Causes
- Static charge can build up on the material. In this case, de-ionizer should be used or the humidity of the working environment should be increased.
Other Causes
- If the humidity of the air stabilizer is low, the air stabilizer should be increased to 60-80%.
- If the buffer pressure on the material is too high, the pressure should be reduced.
- If the conversion time is too high, the printing time should be reduced.