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Update: It does appear that it was the back flow preventers/debris causing the problem. It has been 2 weeks now on the newest head and all the nozzles are still firing. We have also implemented a maintenance procedure where we print a 3x3' swatch of clear every couple of days. I had seen...

The tech replace the back flow preventers and flushed the system again. The clear head was cleaned and recovered all but about 8 nozzles. Those were mapped out and the voltage set to about 3/4 max. This resulted in us being able to print some clean swatches. After a few weeks it appears to...

I think that what the other operator was getting at. Like a it has a pin that's damaged or loose and only shows problems after it's been shook around for a few hours. On our previous JF1610 the ribbon cables had gotten damaged from being tossed around all day and had to be replaced. I made a...

We had it leveled about a year ago. The white nozzles are fine and have never been an issue with any of the heads that were replaced. I should have mentioned this is a CMYK/ClearClearWW config. During the last repair the tech did an ink wash with some higher strength cleaner and we noticed...

Same ones go out and stay out but not the same ones for each new head. We DO print on foil from time to time but the original head lasted for years w/o issue. This last one saw no foil at all that day and showed the same symptoms in just 6 hours that the first head took years to develop. They...

Has anyone had any issues with clear heads on their JFX losing nozzles? We have a Mimaki Tech (several, actually) who has been fighting this for over a year now. We are on our 4th! head and each one seems to only last a few days/week before a similar, but not exact, number of nozzles fail...