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Need Help HP Scitex error: encoder strip

Discussion in 'Hewlett Packard' started by SoCal, Jun 14, 2018.

  1. SoCal

    SoCal Member

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    Jan 7, 2013
    Montclair, CA
    Hi all,

    Scitex was printing fine until at the very end of print (48" wide) the carriage hit the ACM substrate on the corner at the service end due to table being bumped at back end and substrate shift. Now it will not print. I keep getting error to clean or replace encoder strip. I inspected the strip and nothing looks different than when I cleaned it a couple days ago. In the carriage motion diagnostics it passes the the encoder strip and electrical portion but fails at the movement test. I've cleaned and oiled the rails but still same issue. Anybody have ideas on what to do? Our tech can't come out til next week
     
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  2. SoCal

    SoCal Member

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    Jan 7, 2013
    Montclair, CA
    bump. Anybody?
     
  3. flyplainsdrifta

    flyplainsdrifta Member

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    Oct 13, 2017
    ct
    which printer is it? fb700 or fb750? or other?
     
  4. SoCal

    SoCal Member

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    Jan 7, 2013
    Montclair, CA
    Oops, FB500

    Media is read and sized just fine with the carriage moving back and forth. The problem starts at the first line of printing
     
  5. flyplainsdrifta

    flyplainsdrifta Member

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    Oct 13, 2017
    ct
    if you have some compressed air, find the encoder reader on the backside of the carriage on the service side. if you look along the strip with the carriage in the middle of the rail you should be able to see a little tiny thing that runs along the strip that is connected to the carriage. once you find that, i would get a flashlight and take a look to see if you've got some dust or substrate or ink clumps wedged in there. i have had it happen where a small piece of dust can get in there and not allow it to read the strip correctly. blow some air in there and try to clear it if there is anything.

    now if this error that you are getting has anything to do with the head strike you may be out of luck til you can get a tech in, mostly because it could be a number of things affecting it in that case. hope i helped at least a little bit!
     
    • Informative Informative x 1
  6. SoCal

    SoCal Member

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    Jan 7, 2013
    Montclair, CA
    I tried that, thanks. I'm not sure its because of a head strike. The actual strike wasn't bad and the mark was about 1/2" long on the corner of the media on the service side. I was hoping it was some dust knocked loose and blocking the reader like you suggested but I stuck a piece of paper in there to knock any dust loose and I tried some compressed air. Still same problem. The carriage motion diagnostic test stops in the middle where there is a crimp in the encoder strip but that crimp was there when we bought this machine and hasn't given us problems before.
     
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