Bizhub 456e - printing problem after yellow drum replacement

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  • moraoia
    Junior Member
    • Dec 2024
    • 5

    #1

    Bizhub 456e - printing problem after yellow drum replacement

    Hi,

    Noob here asking for advice about this result:

    Free image hosting and sharing service, upload pictures, photo host. Offers integration solutions for uploading images to forums.

    Thanks
  • Synthohol
    Certified Konica Expert

    Site Contributor
    5,000+ Posts
    • Mar 2016
    • 5808

    #2
    can you swap it with the magenta drum and see if it follows the drum or remains in the yellow slot?
    We know a thing or two because we've seen a thing or two.
    The medication helps though...

    Comment

    • tsbservice
      Field tech

      Site Contributor
      5,000+ Posts
      • May 2007
      • 7998

      #3
      Drum was rebuilt?
      A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
      Blessed are they who can laugh at themselves, for they shall never cease to be amused.

      Comment

      • moraoia
        Junior Member
        • Dec 2024
        • 5

        #4
        Originally posted by tsbservice
        Drum was rebuilt?
        Sold as original, factory packaged and sealed ... but you never know.

        Putting back the old one, I get the same result.

        Comment

        • moraoia
          Junior Member
          • Dec 2024
          • 5

          #5
          Originally posted by Synthohol
          can you swap it with the magenta drum and see if it follows the drum or remains in the yellow slot?
          The yellow test result is exactly the same after exchanging drums position.

          Comment

          • blackcat4866
            Master Of The Obvious

            Site Contributor
            10,000+ Posts
            • Jul 2007
            • 23002

            #6
            It looks charge related, like the yellow developing roller is arcing to the yellow drum. Do you see anything amiss with the yellow developing unit?: broken developer spacer? poor developer coverage at one end? burn/arc marks on the developing roller? broken alignment pin that mates with the front or rear frame? something that's not supposed to be in the developing unit (presumably conductive)? =^..^=
            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

            • tsbservice
              Field tech

              Site Contributor
              5,000+ Posts
              • May 2007
              • 7998

              #7
              Besides other questions what is correct model perhaps bizhub C454e?
              Remove drum and shine a light towards 9 o'clock in gap where drum seats. You should see developer unit magnetic roller covered with toner/carrier. Yellow in particular is a bit tricky to see but if you see bare metal of magnetic roller it's a sign of developer depletion and you are in deep trouble.
              A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
              Blessed are they who can laugh at themselves, for they shall never cease to be amused.

              Comment

              • moraoia
                Junior Member
                • Dec 2024
                • 5

                #8
                Originally posted by tsbservice
                Besides other questions what is correct model perhaps bizhub C454e?
                Remove drum and shine a light towards 9 o'clock in gap where drum seats. You should see developer unit magnetic roller covered with toner/carrier. Yellow in particular is a bit tricky to see but if you see bare metal of magnetic roller it's a sign of developer depletion and you are in deep trouble.
                Model 45c-6e. Waiting for technician

                Comment

                • Albonline
                  Service Manager

                  1,000+ Posts
                  • Sep 2008
                  • 1147

                  #9
                  Originally posted by moraoia

                  Model 45c-6e. Waiting for technician
                  that model indication is not for a properly set km unit . it looks to have the factory dipswitch settings played with, or the battery went dead.

                  Comment

                  • moraoia
                    Junior Member
                    • Dec 2024
                    • 5

                    #10
                    Originally posted by Albonline

                    that model indication is not for a properly set km unit . it looks to have the factory dipswitch settings played with, or the battery went dead.
                    hmmh. If it's the dip switch, is there any reasons for that? What are the implications of the actual status?

                    Comment

                    • Synthohol
                      Certified Konica Expert

                      Site Contributor
                      5,000+ Posts
                      • Mar 2016
                      • 5808

                      #11
                      software switch 10 hex 02 is konica instead of generic.
                      We know a thing or two because we've seen a thing or two.
                      The medication helps though...

                      Comment

                      • Albonline
                        Service Manager

                        1,000+ Posts
                        • Sep 2008
                        • 1147

                        #12
                        implications are incorrect settings across the board, causing numerous problems . if you can get a certified km tech to work on this i would. these 4 series units are known to have the backup battery go dead.

                        Comment

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