C2070

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  • methogod
    Senior Tech

    Site Contributor
    500+ Posts
    • Dec 2008
    • 914
    #1

    C2070

    What causes this type of damage to the ITB?

    old belt was due but not bad.

    Client running a job that is a 3 page set, pg1 color, pg2/3 B&W. So ITB cams after 3 pages....

    Old belt shreaded...
    replaced with new belt, did PM.
    same damage and code C4661) after 10 pages.

    Dropbox - 2070 itb - Simplify your life

    COULD it be the CAMMING of the GREYSCALE TO CYMK --
    can this belt still run?
    do you replace the idler roller because of the scoring?
    Tags: belt, damage, itb, pages
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22703
      #2
      Re: C2070

      Is the belt tensioning evenly when you have it fully assembled? I've had a catastrophic failure like this when the installing tech tensioned one side, but not the other. It lasted only a few copies.

      Perhaps unrelated, but I've seen a similar ripple pattern in the belt accompanied by a rip, on a Toshiba 45cpm. Different engine design, you understand, but the waste bottle became packed full at the primary transfer belt cleaning unit. The compacted toner forced the cleaning auger spring up out of the base of the cleaning unit, and it got pulled in between the belt and the cleaning roller. It was a nasty mess to clean up. =^..^=
      If you'd like a serious answer to your request:
      1) demonstrate that you've read the manual
      2) demonstrate that you made some attempt to fix it.
      3) if you're going to ask about jams include the jam code.
      4) if you're going to ask about an error code include the error code.
      5) You are the person onsite. Only you can make observations.

      blackcat: Master Of The Obvious =^..^=

        Comment

        • WLIT
          Technician
          • Jan 2020
          • 40
          #3
          Re: C2070

          How old is the ITB cleaning unit? Are both red screws removed to allow blade to contact the belt?

            Comment

            • methogod
              Senior Tech

              Site Contributor
              500+ Posts
              • Dec 2008
              • 914
              #4
              Re: C2070

              New belt, same ripple...

              looks like idle roller is scored up pretty good, going to scotchbright.
              see if it holds.

              New belt, new cleaning unit and idle roller on order.

              Turn off auto calibration, see if if can these few jobs out.

                Comment

                • allan
                  RTFM!!

                  5,000+ Posts
                  • Apr 2010
                  • 5445
                  #5
                  Re: C2070

                  Could it be that its steering it off to the side pressing the belt over the edge?
                  Then the steering sensor is not reacting to stop rotation?

                  Changed any of the other TBU parts recently?
                  Whatever

                    Comment

                    • methogod
                      Senior Tech

                      Site Contributor
                      500+ Posts
                      • Dec 2008
                      • 914
                      #6
                      Re: C2070

                      little guide that you take off the transfer roller ASSY, when you have heavy stock....
                      was installed upside down....

                      FML..

                      cheap lesson....

                        Comment

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