Carlos4072 Posted May 5, 2022 Share Posted May 5, 2022 Hi guys, do you have any clue about this issue ?? All my prints have a strange patter every 2.5cm and this patter is 1cm of height. All my nozzle test are perfect, no problems of clogs. I using just 2 wihte channels and saving the other 2 for later. I already cleaned the encoder, encoder reader, printhead surface, manifold, replaced dampers, and double check every connection. The printer worked flawless for about 1 year, but now start to do this (please check the attached pictures): Quote Link to comment Share on other sites More sharing options...
johnson4 Posted May 5, 2022 Share Posted May 5, 2022 3 hours ago, Carlos4072 said: Hi guys, do you have any clue about this issue ?? All my prints have a strange patter every 2.5cm and this patter is 1cm of height. All my nozzle test are perfect, no problems of clogs. I using just 2 wihte channels and saving the other 2 for later. I already cleaned the encoder, encoder reader, printhead surface, manifold, replaced dampers, and double check every connection. The printer worked flawless for about 1 year, but now start to do this (please check the attached pictures): What RIP? Quote Link to comment Share on other sites More sharing options...
johnson4 Posted May 5, 2022 Share Posted May 5, 2022 If you print a big block, say 10x10 of solid magenta, what happens? Quote Link to comment Share on other sites More sharing options...
Carlos4072 Posted May 5, 2022 Author Share Posted May 5, 2022 Im using Acro 9 and 10, but this happen also using photoshop for example. Yellow also have this issue, but is hard to see in the photos. Just black and white not show this "noise" or "static". Quote Link to comment Share on other sites More sharing options...
anum11 Posted May 6, 2022 Share Posted May 6, 2022 Could be pet film issue, did you check it with paper? Quote Link to comment Share on other sites More sharing options...
johnson4 Posted May 6, 2022 Share Posted May 6, 2022 (edited) 6 hours ago, Carlos4072 said: Im using Acro 9 and 10, but this happen also using photoshop for example. Yellow also have this issue, but is hard to see in the photos. Just black and white not show this "noise" or "static". This is what mine looks like when my printhead is either missing nozzles, or head going bad- or you are using bad ink- bad cartridge. For me, using some expired magenta in my p400 looked identical to this. Good nozzle checks, poor jet ability. Used new magenta inks, problem went away. So I used old magenta in a p800, no issues for a few months, then it did the same. I threw out the ink and got new- problem solved. however, another time it was a failing head, from what I understand the peizo crystal weakens causing less “ suction” creating this issue as well, while showing good nozzle checks because it’s a short burst. and yet again, another time is was a bad cartridge. It looked fine but when put on its side and sucked ink from port, it just pulled air. New cartridge didn’t do this. New cartridge fixed the issue. Anum is also correct about the film, but I had assume this was tested already. since other colors are fine, it’s unlikely. Also unlikely anything wrong with feed mechanism since other colors are fine. good luck Edited May 6, 2022 by johnson4 Quote Link to comment Share on other sites More sharing options...
Carlos4072 Posted May 6, 2022 Author Share Posted May 6, 2022 Thanks both for help with the possible failures. I have 3 sets of cartidges, so i can check that easy. Also i have other brand ink, and if that the problem is too easy fix it. The prinhead is almost new, no more than 500 prints, of course i know that even with few prints could be defective. I already tested many films, but in my L1800 this films are workin flawless. Anyway, i go to take some days for change everything, also i can change the printhead to a 3880 and test if is doing the same in other printer, in that way i can discard a mechanical issue. I appreciate a lot your help guys. Quote Link to comment Share on other sites More sharing options...
johnson4 Posted May 6, 2022 Share Posted May 6, 2022 2 hours ago, Carlos4072 said: Thanks both for help with the possible failures. I have 3 sets of cartidges, so i can check that easy. Also i have other brand ink, and if that the problem is too easy fix it. The prinhead is almost new, no more than 500 prints, of course i know that even with few prints could be defective. I already tested many films, but in my L1800 this films are workin flawless. Anyway, i go to take some days for change everything, also i can change the printhead to a 3880 and test if is doing the same in other printer, in that way i can discard a mechanical issue. I appreciate a lot your help guys. No problem. Hope you figure it out. Quote Link to comment Share on other sites More sharing options...
Carlos4072 Posted May 9, 2022 Author Share Posted May 9, 2022 I spended the weekend making more test. Unfortunatelly no good luck. I switched cardridges, and changed the ink for other brand. But still getting same results. Please if you have other idea about what could be the problem, let me know. Quote Link to comment Share on other sites More sharing options...
johnson4 Posted May 10, 2022 Share Posted May 10, 2022 Honestly I have no clue. at this point I would have swapped ink channels/heads to see if the issue followed the ink, or if it stayed in that channel. My guess is the printhead since you have done everything else. Quote Link to comment Share on other sites More sharing options...
anum11 Posted May 15, 2022 Share Posted May 15, 2022 (edited) You are most likely missing something. Take a step back and work on it later. Edited May 15, 2022 by anum11 Quote Link to comment Share on other sites More sharing options...
Sarah Posted Saturday at 04:48 AM Share Posted Saturday at 04:48 AM Still having this issue? Quote Link to comment Share on other sites More sharing options...
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