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  1. How long a DX7 printhead is supposed to last?

    I'm still working with mine, you can adjust ink limit amount in Raster Link to compensate the missing lines. I still didn't get the tech in here, this one I know won't make things the way I want, so I'm managing to bring a tech from another city... will cost me a lot
  2. Nozzles are clogging but tech said there's no need to replace cap top

    I got it from Sign in China, they have almost all printers service manual, check it out: https://www.sign-in-china.com/catalogs/240/service_manual_pdf_.html
  3. How long a DX7 printhead is supposed to last?

    Solventinkjet yes, I'll surely post here everything I try. I'm preparing for all possible if/then situations to try while tech is here next week. To make sure I grasp it: if that nozzles issue is due to poor sealing, if pump and everything else is ok, than nozzles can be recovered for sure...
  4. How long a DX7 printhead is supposed to last?

    Solventinkjet so you mean even with magenta ink running through the black nozzles, the machine will still print, but with the messed up colors, right? If so, there's another way: I could edit the artworks in Photoshop and set up the magenta channel of the image to black and vice versa, so I'll...
  5. How long a DX7 printhead is supposed to last?

    Thanks Solventinkjet What about switching magenta / black lines? It could be a workaround to spare me from buying another printhead, right? In case changing cap doesn't make it...
  6. Overprint specific color - Workaround for missing nozzles

    Hello there! I have a Mimaki CJV150 with DX7 printhead and I lost a whole line of magenta, don't know if I would be able to recover it, but anyways... I'm wondering if there may be a workaround to keep printing with some quality. For example, depending on the job, I'd adjust magenta density...
  7. How long a DX7 printhead is supposed to last?

    Hi, thanks, yes, original Mimaki inks. Maintenance ok, cleaning ok, power on... I'm doing everything user manual recommends. By the way guys, I just checked head usage and it ranges from 35 to 71 million shots, being black the lines with less shots. Solventinkjet , you mean, 6 billion fire...
  8. How long a DX7 printhead is supposed to last?

    Tech will only get back to work on 6th, I'm still waiting to replace captop but I'm feeling hopeless, I doubt it would solve the problem because I missed right magenta about 8 days ago... maybe it's irreversible :( My machine won't sit idle, I'd print at least a little every day or every 2...
  9. How long a DX7 printhead is supposed to last?

    I have a Mimaki CJV150, always kept it clean and using original ink and parts. Bought this machine brand new and after about 15 months I started getting trouble with magenta right line. And now, after 20 months I started losing the left magenta line and completely lost the right magenta. There...
  10. Nozzles are clogging but tech said there's no need to replace cap top

    Hi all, just to update: I got hold of the machine service manual today, and man, do I have stuff to read! Thank you all for the insights, you guys helped me a lot, and thanks to Boyanski who advised me to get the service manual, I think it'll make all the difference knowing how these machines...
  11. Nozzles are clogging but tech said there's no need to replace cap top

    Thank you iPrintStuff About the damper, this one tech said a replacement wouldn't fix my issue, since the problem is with the printhead. It was the Mimaki head office tech who said to me some time ago that the printhead could be damaged during damper replacement and that's why some techs don't...
  12. Nozzles are clogging but tech said there's no need to replace cap top

    Thanks a lot Neil :) Yes, I'll get trained this next year, because it's too much agony waiting for the not available tech in the holydays and not being so sure the machine will be fine. You know, I'm a small wall decals e-commerce, this machine haven't paid itself yet and here in Brazil, those...
  13. Nozzles are clogging but tech said there's no need to replace cap top

    Thanks for the warning, never thought I could burn the head that way... so I'm out of business already. I've read the manual from cover to cover, but I'll try to find and study the service manual, because I don't feel ready to perform what you said at all. Or maybe I'll wait to ask the tech to...
  14. Nozzles are clogging but tech said there's no need to replace cap top

    Yeah, I get what you're saying, I'm still learning how this thing work by reading a lot here. As for the tech I think that must be a standard of the company he works for, not something related to his experience. He said it was the head and nothing could be done to get better, except trying to...
  15. Nozzles are clogging but tech said there's no need to replace cap top

    Hi, I'd like to thank you all for replying. I've requested the tech to replace the captop the other day, but he was out of the office in the 2nd week of december and they're all on vacation since last week until jan 6th, so, I was going to get back to you only in January. I was patiently...
  16. Nozzles are clogging but tech said there's no need to replace cap top

    Thanks Neil, very good observation. Here it goes a photo of the wiper after cleaning. It was replaced on the beginning of november
  17. Nozzles are clogging but tech said there's no need to replace cap top

    Right, thank you. But you think I should also change the dampers or only cap would do it? About the dampers, tech said time ago there's a huge risk of permanently damaging the printhead when dampers are changed, so, they only recommend changing it when changing prinhead and then, change stuff...
  18. Nozzles are clogging but tech said there's no need to replace cap top

    Hello there! I've had a Mimaki CJV150 for about 20 months now and lately I'm having issues with the head nozzles, and it got worse in the last month (see attached test print please). Mimaki technician came to check this and he only replaced the wiper. According to him (and to the tests he did)...
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