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Need Help Anyone Know What Causes This Print Issue?

Discussion in 'Roland' started by player, Jun 12, 2019.

  1. player

    player Major Contributor

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    I have a VP-540i. This is a newer issue. The errors seem to be limited to a section on the printer width. I have cleaned the encoder strip. If it was the encoder, I would think it would not stay in the same areas.

    I have had a number of issues, so I have changed out the cables, and today I put in a new mainboard.

    This issue is newer, and I hope it is not related to the mainboard, as I put in a new one. I did a test print and got a goofy overlap that coincides with the same issue so I am thinking it is not fixed.

    Letter B Issue.jpg
     

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  2. Biggermens

    Biggermens Member

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    That's a new one i never seen hehe
    Did you try to clean the encoder wheel too ??
    What is look like When you do the test print to align the print heads ???
     
  3. player

    player Major Contributor

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    No I did not clean the encoder. I did not know it is a wheel, I thought it was a sensor...

    I have not tried the print head alignment.

    I will load some full width material tomorrow and see what it does.
     
  4. player

    player Major Contributor

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    How do I replace or flip the encoder strip?
     
  5. Biggermens

    Biggermens Member

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    Very Easy, Take the big long grey cover off there are a screw at the end were the carage parks and at the other end a screw with a spring
    Mine is all apart, in the process of restoring it, hehe I will go take pictures,
     
    Last edited: Jun 13, 2019
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  6. Biggermens

    Biggermens Member

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    Check that out, let me know how you make out.
    I am thinking the setting from your old board might have not taken in the new board.
    I see your in Toronto, you come up to Sudbury often ?? hehe
     

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  7. Gino

    Gino Premium Subscriber

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    Have you checked your encoder eye ?? But..... are you sure your heads are aligned properly ?? Encoder problems seem to make the thing print goofy completely, not double shots like that, but like mentioned, maybe it's one we've never seen before.
     
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  8. Biggermens

    Biggermens Member

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    I think Gino is probably Right but it don't hurt to clean all the encoders, then you know for sure its not that.
     
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  9. Perform a linear encoder setup in service mode, willing to bet it fails. New encoder reader is likely culprit. The "Wheel" encoder is for media advance, and has no bearing on shifts of color you are getting.

    Just my .02
     
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  10. rjssigns

    rjssigns Major Contributor

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    If it's losing steps to the right it's generally the encoder reader board. Had it happen with my SP540V. Replaced it, ran the setups and it was perfect.
     
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