error code e840

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  • hf.3h2a
    Junior Member
    • Dec 2011
    • 2

    #1

    [Error Code] error code e840

    any body can help me for error code for canon ir5570 e840
  • Rachid.Akli
    Senior Tech

    500+ Posts
    • Oct 2011
    • 595

    #2
    Re: error code e840

    You have an issue with the fixing shutter position detection.
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    • zoraldinho
      teacher-guide-expert-guru

      Site Contributor
      5,000+ Posts
      • Mar 2008
      • 5005

      #3
      Re: error code e840

      - Check the connection of the connector of the
      shutter motor and the shutter HP sensor.
      - check the mounting of the pin used to match the
      shutter gear phase of the fixing unit (See
      descriptions under "Points to Note When
      Mounting the Fixing Roller.")
      - Replace the shutter HP sensor and the shutter
      motor.



      ir6570-003.pdf
      Last edited by zoraldinho; 01-02-2012, 03:15 PM.
      If it ain't broke, don't fix it
      A picture is worth a thousand words

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      • Chameleon
        Trusted Tech

        100+ Posts
        • Nov 2011
        • 200

        #4
        Re: error code e840

        I got in the habit of testing the shutter before putting the upper fuser assy back in and again after installed. Make sure it moves smoothly from one extreme to the other. I've seen where it will move ok while removed but installed and under pressure it was binding up. The shutter does need replaced every so often, they tend to wear in the middle and get warped. Also, make sure it isn't in backwards.
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