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printhead problem

  1. Mimaki JV3-130 sp2 print head won't print

    Got a print head that won't print on a mimaki JV3-130 sp2. The head is fine, we can pull ink through, it just won't print at all. Was mentioned to us that it might be a blown micro fuse on the main board. Does anybody know where these are at on the board so we can check them?
  2.

    L25500 Printhead Test Plot problem

    Everywhere I look online and in my HP manual says my test plot should look like this. Had and HP tech come out and look at our printer for other problems that he "fixed". Services performed were Service maintenance kit 3 and replaced our ink supply tubes and trailing cable. Had him take a look...

  3. Pro 4 XR-640 printhead problem

    Hi all looking for some help.we have a roland xr-640 have done a nozzle check and there isn't any yellow what so ever on the A head. have tried loads of powerful cleans and 2 choke cleans but there still is nothing colours left and right are perfect anyone else have this problem and more...
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