Biz Hub C552 IU CIAN, loose developer

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  • orepy2002
    Junior Member
    • Sep 2014
    • 3

    #1

    Biz Hub C552 IU CIAN, loose developer

  • WATTY
    Technician
    • Oct 2014
    • 12

    #2
    Re: Biz Hub C552 IU CIAN, loose developer

    I have had the same issue< on the black dev unit there is a cover that goes over the top of it, if this is missing i have had toner dusting ( black toner) going onto the main charge grid on the cyan process unit , this will up the charge in that area of the drum which pulls the cyan dev out,look at the cyan process unit on the grid qwith a torch and see if you can see toner on it, also black toner around the front of the cyan unit< if you have changed the black dev unit recently you have to take this part off and put it on the new unit>
    let me know if this is of any help.
    Cheers

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    • copier tech
      Field Supervisor

      5,000+ Posts
      • Jan 2014
      • 8165

      #3
      Re: Biz Hub C552 IU CIAN, loose developer

      I had this issue on a few machines, I think now I have fixed it by adding extra pads to the cyan locking leaver.
      Also you can empty out the dev from an old unit & pour it into the one that has lost dev, simply pour it down the toner shoot on top of the IU, I started to carry a container of old cyan dev it was very usfull for a quick fix as replacing the cyan IU after less than 10k was expensive!
      Let us eat, drink, and be merry, because tomorrow we may die!

      For all your firmware & service manual needs please visit us at:

      www.copierfirmware.co.uk - www.printerfirmware.co.uk

      โ€‹

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