Designjet 770

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  • mansart
    Senior Tech

    Site Contributor
    500+ Posts
    • Apr 2009
    • 852

    #1

    Designjet 770

    carriage belt fine and encoder strip fine.

    Problem is the carriage unit is no longer attached to carriage belt. I found small pieces of broken plastic in the machine.

    My question is does the piece that holds carriage to belt come with the belt???? or is it part of the carriage.

    Thank you
  • fixthecopier
    ALIEN OVERLORD

    2,500+ Posts
    • Apr 2008
    • 4714

    #2
    Re: Designjet 770

    It is part of the carriage. Start taking it apart. Also, I have never heard of the carriage breaking like that. Look for a cause.
    The greatest enemy of knowledge isn't ignorance, it is the illusion of knowledge. Stephen Hawking

    Comment

    • mansart
      Senior Tech

      Site Contributor
      500+ Posts
      • Apr 2009
      • 852

      #3
      Re: Designjet 770

      Customer reported bad paper jam before this error.....I found several small pieces of plastic in bottom of machine.

      I suppose it's possible they have just knocked belt out of holder?

      Thanks for info

      Comment

      • gregrcs
        Technician

        Site Contributor
        • Apr 2010
        • 22

        #4
        Re: Designjet 770

        nt
        Originally posted by mansart
        carriage belt fine and encoder strip fine.

        Problem is the carriage unit is no longer attached to carriage belt. I found small pieces of broken plastic in the machine.

        My question is does the piece that holds carriage to belt come with the belt???? or is it part of the carriage.

        Thank you
        No it doesn't

        Comment

        • fixthecopier
          ALIEN OVERLORD

          2,500+ Posts
          • Apr 2008
          • 4714

          #5
          Re: Designjet 770

          Those pieces are most likely the belt grips if it is completely loose. Plan on replacing the carriage. You have to go through the same process either way to disassemble. If you have never taken one of these apart, take the manual with you. I think complete belt change covers 120 or more pages.
          The greatest enemy of knowledge isn't ignorance, it is the illusion of knowledge. Stephen Hawking

          Comment

          • Jaws
            Trusted Tech

            100+ Posts
            • Oct 2007
            • 235

            #6
            Re: Designjet 770


            Comment

            • theengel
              Service Manager

              1,000+ Posts
              • Nov 2011
              • 1784

              #7
              Re: Designjet 770

              The belt holding plastic is kind of weak on this machine. I had to replace one because of this too. Cust had a problem and tried to force the carriage to move while the machine was on. The machine tries to hold the carriage still while the cust tries to move it.

              Comment

              • Ballas
                Technician
                • Nov 2013
                • 29

                #8
                Re: Designjet 770

                I had this aafter a media jam on a T1200, fixed it with a Cable tie, still working fine

                Comment

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