Need Help HP 365 Latex issues

So..... Give us some pictures. Nozzle print as well.
List every part that has been replaced.

Has the printer been tested with another RIP PC and good known test picture?

 

Replace with Epson!

 

Lets see if this thread gets as long as the Epson one.

 

I have seen something similar to what you are describing on a customer's 360 and I was also able to reproduce it on our demo 365. The customer was trying to print a black box with a blue (RGB 0,0,255) strip going thru it, see below screen capture. It didn't matter what profile we used or what media was in the printer it always printed purple. I went thru all the standard checks of the print heads, optimizing the profile, trying different files, trying different media, trying different profiles, etc. The customer and I are were both using Flexi 19 to print. I wound up having to go into Production Manager and manually override the output of the blue strip to get it to print correctly. Since I had a resolution that worked for this customer and no one else has reported it to me I didn't look any further into it. I am not sure if it is a Flexi issue or a HP issue. Out of curiosity I do have some questions for you that I have listed below.

1. What Rip are you using and what is the version?
2. Are you using a custom made profile or one that was downloaded from the substrate library?
3. I am assuming that you have tried multiple different ways of generating the file but are they RGB, CMYK, what software are you using to create them and what file format are you saving them in?
4. Did this all of a sudden happen or have you been having this issue since the unit was installed?
5. How old is the printer?

 

So you have also replaced the printheads?

 

Have you color calibrated lately? I would grab the Generic SAV profile clone it, be sure to put a check in the Long print box and rename it whatever and perform a color calibration and see if that resolves it. I normally set the first step on the saturation at 100% and lower the heat to 200. Under the advance button make sure vacuum is at 35. I skip the first step to print if you have brand new heads in there, otherwise print the saturation print. The current profile you are using could be out of date or jet replacement has compromised it. These machines are simple and when you say every part, what parts? Heads I understand that, but are you using HP ink? or is it 3rd party? Lots of variable here. When was the last time the PIP was replaced on the magenta? I would inspect the carriage and make sure there is no magenta leaking under where you install the printheads. These machine generate tons of heat and the ink lines and FI towers get brittle, crack and start leaking causing a pressure issue. Messy too!

 

Its possible if your carriage PCA was faulty that it also broke those printheads/at least the C-K heads.
So when the PCA was replaced you were still left with faulty new heads.

 

The PIP is what controls the pressure to the PH. They usually throw errors, but I have seen them just be faulty with no errors. If ink is dropping out after starting good, then I would be looking at that for sure. I am not sure why the encoder was replaced, that has nothing to do with the ink delivery system. Weird! Good Luck

 

It's in the carriage.... Carriage PCA controlling the printheads.
PCA=circuit board

 

Back at another shop we had used Flexi and would see a huge color shift depending on how we saved the file. We would print with a PDF and cut with EPS. "IF" by chance a file got saved as an EPS first it would print WAY OFF.
Once we graduated and moved to Illustrator as our go to program we didn't have any issues with color and as a matter of fact our contour cuts got much better using Cut Master out of Illustrator.
Best of luck

 

I must really be the only one who would adjust their colors in rip design to look the way I want when printed...#brokeoldschool