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Missing dots

  • Cells are not emptying due to lack of electrostatic discharge
  • Surface of the substrate is not in contact with the ink/cylinder
  • Coarse substrate
  • Rough or worn impression roller
  • Electrostatic assist needs cleaning or adjusting (check with manufacturer when using metal composite or metallic inks)
  • Check impression roller conductivity
  • Reduce cylinder screen width/resolution for more coverage
  • Change impression roller hardness
  • Grind impression roller
Suggested products:
Since the choice of blade is not decisive, we recommend the following:
  • Use a soft set-up
  • Shallower blade angle

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