Kyocera M6235cidn rainbow prints

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  • Samanator
    Service Manager

    Site Contributor
    VIP Subscriber
    500+ Posts
    • Sep 2017
    • 571
    #1

    Kyocera M6235cidn rainbow prints

    You ever seen a M6235cidn do this? This is a status page. Does this on print jobs as well.

    Re-seated drums, developer units, and transfer belt with out change.

    Thanks in advance for any help.
    Attached Files
    Tags: belt, developer, m6235cidn, transfer, units
    • scottybbb
      Trusted Tech
      • Dec 2010
      • 126
      #2
      Re: Kyocera M6235cidn rainbow prints

      Check the contacts for the transfer belt on the inside front of the machine. If one of them is pushed inside the machine this can happen.

        Comment

        • blackcat4866
          Master Of The Obvious

          Site Contributor
          10,000+ Posts
          • Jul 2007
          • 22930
          #3
          Re: Kyocera M6235cidn rainbow prints

          Start by re-seating all the units. Quite often it's just a poor charge connections. If that doesn't help, check the contact springs behind the HVT.

          In the worst case scenario, one of the components that uses charge may be shorting out, briefly shutting down the HVT. Maybe developer spacers, maybe primary charge arcing. If you identify a specific color defect replace BOTH drum and developing units of that color, so that the arcing does not continue. =^..^=
          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

            • BillyCarpenter
              Field Supervisor

              Site Contributor
              VIP Subscriber
              10,000+ Posts
              • Aug 2020
              • 16308
              #4
              Re: Kyocera M6235cidn rainbow prints

              Originally posted by blackcat4866
              Start by re-seating all the units. Quite often it's just a poor charge connections. If that doesn't help, check the contact springs behind the HVT.

              In the worst case scenario, one of the components that uses charge may be shorting out, briefly shutting down the HVT. Maybe developer spacers, maybe primary charge arcing. =^..^=
              A few weeks ago when I was having a problem with solid black pages on a 3551ci, didn't you post an example of this "rainbow" problem? Or am I mistaken?
              Adversity temporarily visits a strong man but stays with the weak for a lifetime.

                Comment

                • BillyCarpenter
                  Field Supervisor

                  Site Contributor
                  VIP Subscriber
                  10,000+ Posts
                  • Aug 2020
                  • 16308
                  #5
                  Re: Kyocera M6235cidn rainbow prints

                  I thought I remembered this post by blackcat:


                  Thanks. The symptoms can vary widely depending on what machine.


                  This was a Hanabi with broken yellow developer spacers. The drum was arcing to the developing roller causing the HVT to shut down for a few seconds at a time. Note: There aren't any yellow bars (that how I diagnosed the yellow developing unit):


                  3551ci: Solid Black page-test-sample-jpg


                  I'm sure there are more samples somewhere, I cannot seem to locate right now. =^..^=



                  Adversity temporarily visits a strong man but stays with the weak for a lifetime.

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22930
                      #6
                      Re: Kyocera M6235cidn rainbow prints

                      I thought that sounded familiar ... it seems like charge rollers solved your issue, yes? =^..^=
                      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

                        • BillyCarpenter
                          Field Supervisor

                          Site Contributor
                          VIP Subscriber
                          10,000+ Posts
                          • Aug 2020
                          • 16308
                          #7
                          Re: Kyocera M6235cidn rainbow prints

                          Originally posted by blackcat4866
                          I thought that sounded familiar ... it seems like charge rollers solved your issue, yes? =^..^=

                          Yes, sir. I changed the charge rollers and it's been good. Thanks for your help.
                          Adversity temporarily visits a strong man but stays with the weak for a lifetime.

                            Comment

                            • KYO_OEM
                              Senior Tech

                              500+ Posts
                              • Aug 2011
                              • 685
                              #8
                              Re: Kyocera M6235cidn rainbow prints

                              Have had this on M6525cdn and new dk for yellow + hvt pcb needed.
                              DK only didn`t solved it.
                              broken ye dk_main hvt.JPG
                              For Mebius Range (successor from Gemini), mostly yellow dk + dv needed

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