MX3070 occasionally will put out almost blanks

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  • Hansen88
    Service Manager

    Site Contributor
    1,000+ Posts
    • Dec 2009
    • 1055

    #1

    MX3070 occasionally will put out almost blanks

    This machine will occasionally in the middle of jobs will put out faint almost blank pages. Cust gave me some samples but it never did problem for me. It had one L4-12 code which is for the secondary transfer unit. I replaced that. I checked developer level,full. All maint is up to date.I am wondering if it may be the primary transfer. My scans dont look great that I am posting here. The prints ect in bk and color are comming out nice quality except for when this happens. On the one test sample I drew lines with my pen where there seems to be blank void lines. Not sure if they would show. Looking for ideas. Thanks.
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  • nanohitmen
    Trusted Tech

    Site Contributor
    100+ Posts
    • Apr 2019
    • 114

    #2
    Re: MX3070 occasionally will put out almost blanks

    Talked to my coworker about this, have you check the DV unit? Also said might be bad Developer.

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    • Hansen88
      Service Manager

      Site Contributor
      1,000+ Posts
      • Dec 2009
      • 1055

      #3
      Re: MX3070 occasionally will put out almost blanks

      Originally posted by nanohitmen
      Talked to my coworker about this, have you check the DV unit? Also said might be bad Developer.
      The developer mix is good. I checked out thedeveloper unit itself and it seems fine. I have yet to see this happen myself. Cust has the samples to show me.

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      • doyvid
        Technician

        50+ Posts
        • Aug 2019
        • 56

        #4
        Re: MX3070 occasionally will put out almost blanks

        The issue in this thread looks similar. Two people reportedly fixed the problem by changing the clutch in the fuser drive unit responsible for moving the secondary transfer roller.

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        • Hansen88
          Service Manager

          Site Contributor
          1,000+ Posts
          • Dec 2009
          • 1055

          #5
          Re: MX3070 occasionally will put out almost blanks

          Originally posted by doyvid
          The issue in this thread looks similar. Two people reportedly fixed the problem by changing the clutch in the fuser drive unit responsible for moving the secondary transfer roller.
          Thanks. This looks promising.

          Comment

          • Hansen88
            Service Manager

            Site Contributor
            1,000+ Posts
            • Dec 2009
            • 1055

            #6
            Re: MX3070 occasionally will put out almost blanks

            Here is another sample that might show better,Only does it occasionally and when it is working the copies liik normal. I think a post right abobe this one about the fuser drive assy might be my prob. Posting sample incase anyone else seen this. Thanks.The arrow is the paper feeding direction.Hansen Assoc_20221219_090652.pdf
            Last edited by Hansen88; 12-19-2022, 02:57 PM.

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            • harps05
              Field Service Engineer

              100+ Posts
              • Mar 2012
              • 111

              #7
              Re: MX3070 occasionally will put out almost blanks

              As previously mentioned, 100% the clutch for the secondary transfer.

              Comment

              • Hansen88
                Service Manager

                Site Contributor
                1,000+ Posts
                • Dec 2009
                • 1055

                #8
                Re: MX3070 occasionally will put out almost blanks

                I forgot to update on this. It was the secondary transfer clutch like was mentioned. Also a couple days after that I had the same thing happen on a MX 3640. On that one the clutch is mounted right on the transfer unit.

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