Problems c452 print dust

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  • karimharaka
    Technician
    • May 2012
    • 11
    #1

    Problems c452 print dust

    i have konica minolta c452 which print dust. i have changed the laser bloc, transfert belt, controller board. imagine unit. all of these are not worked. ( i still do not replaced the graphique board!!) this is the last chance 962B8362-0B67-4E5C-88EB-B4B675FD6351.jpg
    i need your help
    thanks
    Tags: board, c452, dust, print
    • GIUBOSS
      Service Manager

      Site Contributor
      1,000+ Posts
      • Jul 2013
      • 1331
      #2
      Re: Problems c452 print dust

      Which image units did you replace? Did you perform the calibrations at each replacement? Try to print from PC only in B / W

        Comment

        • karimharaka
          Technician
          • May 2012
          • 11
          #3
          Re: Problems c452 print dust

          i have another imagine unit which works will in other bizhubc652.
          could someone send me firmware of bizhub c652 because i changed the main controler board PROBLEM C164

          karimharaka@gmail.com

          many thanks

            Comment

            • Phil B.
              Field Supervisor

              10,000+ Posts
              • Jul 2016
              • 22808
              #4
              Re: Problems c452 print dust

              Originally posted by karimharaka
              i have another imagine unit which works will in other bizhubc652.
              could someone send me firmware of bizhub c652 because i changed the main controler board PROBLEM C164

              karimharaka@gmail.com

              many thanks
              sounds like you rushed in your troubleshooting process. image problems CAN be some of the easiest fixes there are.

                Comment

                • tsbservice
                  Field tech

                  Site Contributor
                  5,000+ Posts
                  • May 2007
                  • 7635
                  #5
                  Re: Problems c452 print dust

                  Backgrond when copy or print or both?
                  Backgrond on color or B&W?
                  Backgrond has developer or not?
                  What's the color of backgrond?

                  From your small picture and incoherently description it's hard to help you.
                  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

                    • emujo2
                      Service Manager

                      1,000+ Posts
                      • Mar 2017
                      • 1580
                      #6
                      Re: Problems c452 print dust

                      I'm assuming by print dust he means background..Did you run the stabilzation, and gradation adjustments after replacing any of the items you mentioned? E

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