The colour is lacking in colour strength and body.



- Excessive reduction in ink viscosity;

- Excess extender varnish;

- Ink settling out;

- Ink film thickness too thin;

- Dirty/worn anilox rolls;

- Wrong fountain roll specification;

- Tight setting of fountain roll nip;



- Add fresh ink to restore viscosity;

- Add pigment concentrate (toner);

- Thoroughly mix ink in container before adding to ink tray;

- Increase ink thickness by raising ink viscosity, reducing metering of anilox roll or increasing the anilox roll volume;

- If plugged thoroughly clean anilox roll, if excessive land areas exposed, replace anilox roll;

- Select a lower durometer fountain roll;

- Decrease fountain nip roll pressure.