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Help, HP Indigo 5000 problems

Heat and pressure baby.

Heat and pressure baby.

Greetings,

As mentioned earlier by another member, your temperature sensor needs to be calibrated. All the other things are possibles, but adhesion is primarily HEAT and PRESSURE. Buy a temperature surface probe and run through the Indigo press software wizard for calibrating temp. (you point the external sensor at the ITM and compare the reading to what the press says the temp is) I'll bet it's off by more than 10 degress. Also, consider lying to the press by telling it that it is slightly thinner paper so that it squeezes harder. (you've gone too far if you have feed problems.)

HP will help you with this. No problem. Their techs have the tools and know what they're doing. Good luck!

Mark
 
As pointed out, get your blanket IR sensor calibrated. Even though it's showing 160C in the blanket temp window it could have drifted.

Also check your imaging oil flow rate; if it is too high then you can get drips and you'll have too much IO on the PIP.

Humidity is very critical on Indigo too. If it is bone-dry in your pressroom then that can affect ink transfer and adhesion.

Do this.

Whats the ink coverage on the artwork? Obviously you can't print 400%. Anything 300%+ can be hard depending on the substrate.

Get your conductivity and density calibrated by an engineer. Don't trust the on press if your getting this result.
 
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