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FB700 Carrier rail issue

Discussion in 'General Chit-Chat' started by Ron the Sign Man, Apr 20, 2019.

  1. Ron the Sign Man

    Ron the Sign Man New Member

    17
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    Feb 15, 2017
    Navarre
    Any one ever have a problem with one side of the carrier rail losing height during printing? One side (left to right) of print is good the other side the carrier hits the material after an hour or so of printing. When I shut the machine of turn it back on it is good for another couple of hours. Any input would be greatly appreciated.
     
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  2. czbhu

    czbhu New Member

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    Mar 21, 2014
    Hungary
    No I haven't, but what I would check was if the printer is in level. It could cause problem. And I would recalibrate it.
     
    • Agree Agree x 1
  3. signman315

    signman315 Signmaker

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    Oct 5, 2015
    Leonardsville, NY
    I agree with czbhu, but if it was previously working and hasn't been moved then likely the machine is level. First check calibration, but if it continues to happen then you likely have something wrong in the carriage rail movement system...could be a motor, encoder or encoder sensor associated with leveling the rail on that side....if you find a solution please post it here so others can learn from it, thanks!
     
  4. Ron the Sign Man

    Ron the Sign Man New Member

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    Feb 15, 2017
    Navarre
    Replaced the service end carrier rail actuator (jack). Didn't work. Cleaned the carrier rail height encoder (I guess that is what it is) and has worked fine today, we'll see what fresh hell awaits me tomorrow. Question as to terminology. When you say re calibrate are you referring to the board settings? If so I tried that and it didn't work at the time. Thanks for the input, will post if it isn't fixed.
     
  5. czbhu

    czbhu New Member

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    Mar 21, 2014
    Hungary
    Dirty or damaged Encoder strip can cause such a thing.hopefully that was the problem.
     
    • Agree Agree x 1
  6. Ron the Sign Man

    Ron the Sign Man New Member

    17
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    Feb 15, 2017
    Navarre
    Wanted to wait until I had printed for a week or so until I updated the post. It appears that the issue was the vertical encoder strip (my definition) on the service end of the carrier rail on the input side. Have to remove the service end cap to even see it. I have since printed about 8000 sq ft of coro so I'm pretty sure it was the problem as I have not had any more issues. Thank you to those who offered their input, it has been greatly appreciated.
     
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