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Unsmooth Gradations


Causes:
 
  • High ink viscosity
  • Incorrect screen or cell geometry
  • High cylinder and ambient temperature
  • No electrostatic assist
Solutions:
 
  • Check ink viscosity
  • Discuss screen or cell geometry with cylinder manufacturer
  • Check cylinder and ambient temperature
  • Flat doctoring
  • Check electrostatic printing assist (ESA)
 
Suggested products:
 
Check blade configuration
 

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