Color residue? smearing - bizhub 452

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  • Rigabula
    Technician
    • Sep 2015
    • 16
    #1

    Color residue? smearing - bizhub 452

    Hello everybody

    I have a problem with the yellow color of Konica Minolta Bizhub 452

    Theres a lot of stains/smearing/residue on the paper after print or copy.

    The attachment show it best(know its a poor quality but show whats it have to)

    DSC_0040.JPG
    What do you think this is - OPC drum or anything else.

    Do you have any suggestions how to fix this, i dont want to buy new IU as its quite expensive - possible to replace only OPC if its from it

    Best Regards

    Sorry if theres similar thread i couldnt find it, please excuse me.
    Tags: None
    • blackcat4866
      Master Of The Obvious

      Site Contributor
      10,000+ Posts
      • Jul 2007
      • 22930
      #2
      Re: Color residue? smearing - bizhub 452

      So you haven't actually done anything yet?
      Maybe you should try something first? =^..^=
      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

        • allan
          RTFM!!

          5,000+ Posts
          • Apr 2010
          • 5459
          #3
          Re: Color residue? smearing - bizhub 452

          that page is full of scratches
          Whatever

            Comment

            • Rigabula
              Technician
              • Sep 2015
              • 16
              #4
              Re: Color residue? smearing - bizhub 452

              Thank you guys for the reply, after a hundred of copies the yellow faded to one constant level.

              When you mean a didn't do nothing, im not sure what to do, cleaned everything from fuser to rollers to transfer belt to IU.
              Not sure how to proceed. Probably cant define my question correctly, and cant find anything in google.

              And one more thing, by any means im not a printer technician, just a guy who can follow instruction correctly.

              Best regards

                Comment

                • Woxner
                  Senior Tech

                  500+ Posts
                  • Jul 2011
                  • 826
                  #5
                  Re: Color residue? smearing - bizhub 452

                  run single color,if its just yellow doing this then more then likely its the i/u

                    Comment

                    • Rigabula
                      Technician
                      • Sep 2015
                      • 16
                      #6
                      Re: Color residue? smearing - bizhub 452

                      Its only the yellow its prints perfectly when i want to print only yellow, the problem is that these patterns exist on any image i print/copy.
                      Dont want to buy another IU as this machine is second hand. If I buy lets say an IU for 400US(thats around the price I can found itnhere. little cheaper on the web) the same machine can be bought for 1200US(again second hand). So I was hoping if someone did some DIY refurbishing on these IU and could give some advise if I can fix this issue with buying only OPC or a cleaning blade or something else.

                      Thank you anyway for the reply.

                        Comment

                        • allan
                          RTFM!!

                          5,000+ Posts
                          • Apr 2010
                          • 5459
                          #7
                          Re: Color residue? smearing - bizhub 452

                          You need a new drum and developer with a reset chip.
                          Whatever

                            Comment

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