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Not at all likely
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Extremely likely
Hi All,
I am looking for some help with a color issue. I believe with is a problem with the printheads but I work with networks and workstations more than I do large format printers so this is by no means an expert opinion. About two years ago we got two latex printers to replace our design jets. After coming back from COVID we started having color issues. I reached out to our vendor and they sent a tech out to help resolve these problems. The tech did not seem super familiar with the latex system. He recommended replacing the print heads after running a diagnostic print showing that we were getting really poor coverage from the 2nd black/blue head. He also said that he thought that the fact that the ink was expired was probably not an issue (I asked because I have no idea and the marketing team said they run expired ink through the old printers all the time). We started by replacing the one print head and then replaced the rest of them because we were still having issues. The problem persisted and the vendor escalated the problem their support center said that a whole host of issues can affect color and basically it's the way the printers work. This is an unsatisfactory answer the printers were working fine before covid. I was going to replace the ink but wanted to see if anyone had any more information so I called HP support. They recommended cleaning the encoder strip so I did. I also ran that diagnostic strip again and noticed that it was showing the 1st blue back printhead was again blocked. inspecting the print head I noticed that there was a difference in the look between the two nozzles. One had a thin line of color and the other a thicker line of color. I also noticed a sticky substance all over the gold contacts both on the printhead and where it interfaces with the printer. I am waiting to hear back from HP about these findings however I was wondering if anyone has seen this before. I am also wondering if anyone has any good info on the ink expiration if it may be my problem and if so why it was not a problem on the old printers.
Additionally, while it's not as bad 365 seems to be having similar color issues. I have not done much on it because I wanted to complete the 315 first. to the best of my knowlage they have been using the old design jet still without issue.