Hello! My VP disconnects while is printing. At first i didn't care because it was not as often as it is now. Below is a list of things i have tried and none of fixed the issue.

New pc (good specs)

New ethernet cable

Network ON/OFF

Same Subnet mask

Same IP

The odd part of story:

I did notice cold days the disconnections were more often so i thought it has something to do with the temperatures and the printer struggles to get them.

So i send a small file for print and after a while, it stopped and disconnected, then i changed the "print and dryer" temperatures to OFF, send the same file for print and all good.

After that i called 2 technicians from different companies that support roland plotters and both told me the same thing. "this is a common problem on the VPs, go unplug the fan that goes to your main board and you are going to be ok, its a bug" I was blown away.. So i unplugged the fan (power OFF) then i set the"print and dryer" temperatures up and send 2 big files that were printed without any problem.

My only concern is, now the fan is unplugged if the temperatures get too high will the heat damage the main board?

Thanks 

(below is a pic from the fan i unplugged)

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The problem is in the main board. When it is cold there is contraction in some parts (i think transmitors) and it cause the printer to disconnect (bad circuit connectivity) I had my board repaired from my tech guys at low cost compared on buying new board. I hope you can fix yours too. As long as you keep the temperature high in the room that printer operates i think you will be ok. But it would be better to fix it. 

Thank you, I made the same and I can't believe it is working, and I am also found this https://www.instructables.com/Repair-Your-Roland-VP540-and-Other-Ex... looks like solution. And thank you again you save my day.

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