Unwanted ink trans­fer onto substrate, ink metering system out of adjustment or dam­aged.


– Undissolved ink particles;

– Ink thrown off or dripping from anilox roll;

– Emulsification/water streaks;

– From metering system:

  1. Grooved wipe roll;
  2. Worn or warped doctor blade;
  3. Damaged or dirty anilox roll;
  4. Low ink flow;


– Filter particles out of ink, clean plates and anilox;

– Check ink pumps, hosing and blade housing for overflow or leaks. Increase viscosity, replace end seals or wipers;

– Check for water dropping onto the web;

– From metering system:

  1. Replace wipe roll;
  2. Reduce blade pressure or replace damaged blade;
  3. Clean or replace anilox roll;
  4. Increase ink flow across the press.

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