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Oily Chemical Drops

HP Latex 310

#1 Jonas 2 years ago

Hello HP Community,

Recently we had really long runs on our L360 and at the end of the day we set up a run that went through a good portion of the evening unattended. Before we started the new roll, I noticed drops of a clear and oily chemical were forming at the top of the curing unit. We cleaned it off with a cotton pad. The next morning we noticed that one of the large panels we printed had a drop on it that ruined the print. Any thoughts? Attrached are the pictures I took of the damaged print.

-Jonas

#2 HP-MarcM 2 years ago

Hi Jonas!

As I can tell from the pictures you have sent, I recommend to follow these tips:

  1. Be sure that the site is at the “best print quality” environmental conditions (Page 169 on the Latex 310 User Guide).
  2. Confirm that the air-conditioning system is not blowing cold air directly to the printer, this will increase the possibilities of having “cold” areas in the printer, so generates this kind of oil/substance. 3. Use a print-mode that uses less ink per second:

- Keep speed reducing the ink quantity

- Reduce speed keeping the ink quantity

I hope this answer helps

The opinions expressed above are the personal opinions of the authors, not of HP.

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