c654 low count xbelt skidmark

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  • Synaux
    Service Manager

    Site Contributor
    1,000+ Posts
    • Mar 2012
    • 1223
    #1

    c654 low count xbelt skidmark

    Basically, this belt has less than 80k on it and it is leaving a very noticeable mark of thick-glossy stocks (not so noticeable on thick matte and hardly at all on 60lb and thinner). This mark appears to be in line with the pickup rollers (middle of page) and goes edge to edge. It has a grayish appearance but looks to have all the colors.

    I am 99% sure its the belt:
    Swapped the transfer roller first
    I cleaned the hell out of it out of the transfer belt cleaning/waste section, but when turning the belt the skid mark could be easily seen on the belt even after cleaning the felt roller multiple times. What I really do not understand is how the mark is being generated on the belt itself with manual rotation. The waste/cleaning section was nearly spotless. The felt roller is soft and has no evidence of buildup or wear.
    Cleaned the belt itself too (was fairly clean).
    There is slight wear on the belt where the mark is being created, but I have seen MUCH worse without image degradation. The wear mark couldn't be be detected by a blind man.

    Reassembled, and the mark appeared on paper passage test (first print made) with identical appearance.
    Background voltage and transfer belt cleaning voltage in SM didn't do anything.

    Aside from taking the rear cleaning section apart (a bit of a hassle) I don't know what to do other than replace ($$$).
    Tags: belt, cleaning, mark, section, wear
    • copyman
      Owner / Technician

      Site Contributor
      2,500+ Posts
      • Sep 2005
      • 4058
      #2
      Re: c654 low count xbelt skidmark

      How about rebuild trans belt unit with aftermarket belt & cl. blade? Or just blade? I've rebuilt several "4" series trans belt units with aftermarket belt & blade and they work great. Not sure if they make aftermarket for the production models? Less than 1/2 the cost of OEM

        Comment

        • Synaux
          Service Manager

          Site Contributor
          1,000+ Posts
          • Mar 2012
          • 1223
          #3
          Re: c654 low count xbelt skidmark

          Originally posted by copyman
          How about rebuild trans belt unit with aftermarket belt & cl. blade? Or just blade? I've rebuilt several "4" series trans belt units with aftermarket belt & blade and they work great. Not sure if they make aftermarket for the production models? Less than 1/2 the cost of OEM
          That occured to me as well. What gets me is the residue coming off before install after I cleaned it spotless. Probably just the blade I assume. Crazy with such a low count on it though :/

          Never fooled with replacing the belt (which I strongly suspect is still good). Do you just take the cleaning section off and slip the belt on?

          You get the parts off of alibaba or...?

          Thanks

            Comment

            • blackcat4866
              Master Of The Obvious

              Site Contributor
              10,000+ Posts
              • Jul 2007
              • 22601
              #4
              Re: c654 low count xbelt skidmark

              Is this machine running any special media, like NCR? That will cause a wide variety of cleaning issues. =^..^=
              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

                • TEST10
                  Technician

                  50+ Posts
                  • Jun 2010
                  • 65
                  #5
                  Re: c654 low count xbelt skidmark

                  I had a similar problem, and it was due to the belt cleaning unit not turning properly, (gear) maybe my experience will help you

                    Comment

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