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JV3-250SP changes from 4-pass to 2pass

Discussion in 'Mimaki' started by ludwig, Oct 6, 2010.

  1. ludwig

    ludwig Hightec in Print

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    Jan 25, 2009
    Brazil
    :wine-smi:I am printing a 2,3 by 5m piece in 4-pass bi-dir, 360-520 mode. Suddenly, after a print lenght of 40cm, the JV3 jumps to 2-pass mode.
    I trashed the file and started over again. After a while the machine jumps again to 2-pass. And now prints in stripe mode, light and dark, light and dark.
    Trashed the file again. Started now in uni-dir mode with 4-pass. After 1,5m print lenght, the JV3 prints without ink. Heads mooving, no painting at all.

    Trashed the file again. Nozzle Test print fine.

    Need help.
     
  2. artbot

    artbot Very Active Member

    3,154
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    Feb 18, 2010
    Houston TX
    this sounds familiar... wondering if it was discussed here or on the jv3 yahoo board. sorry don't remember the remedy.
     
  3. tbaker

    tbaker Member

    I'm in the same boat, I had this happen to me on my 160sp, I'm sitting here trying to remember what I did to correct the issue.
     
  4. artbot

    artbot Very Active Member

    3,154
    6
    38
    Feb 18, 2010
    Houston TX
    similar discussion on yahoo jv3 board. search messages: "bi-directional problem"
     
  5. ludwig

    ludwig Hightec in Print

    24
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    1
    Jan 25, 2009
    Brazil
    Cleaned the encoder

    I cleaned the encoder and the print was OK for 1 job.
    On the next, the jump to 2-pass happened again.
    On another job, the machine stopped imaging at the half of the job, like it had finished, did a material feed of about 5 inches, then restarted with 2-pas.
    I talked to a Mimaki tech and he said: can be the encoder sensor.

    Folks, I will be at the SGIA show in Vegas. Maybe, I can meet some of you guys there.
     
  6. ludwig

    ludwig Hightec in Print

    24
    0
    1
    Jan 25, 2009
    Brazil
    Jv3-250sp

    Came back from the SGIA. Talked to Mimaki Stuff and they said this is some kind of comunication error. Like the fire wire cable broken or too long.
    My cable is realtively new and about 10 foot long.

    So, what do you think?
     
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