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Back Doctoring

Click here to download our white paper on back doctoring.

  • Too much blade pressure
  • Incorrect ink viscosity
  • Containment blade is not correct
  • Reduce blade pressure
  • Look for signs of extra pressure (i.e. wavy blades) and correct
  • Check ink viscosity to ensure it is within specifications
  • When using steel for both wiping and containment blades, the containment blade should be thinner than the wiping blade
  • When using plastic, containment blade should not be more rigid than the wiping blade
  • Containment blade width should be within specification of the chamber manufacturer
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