konica minolta,7155,heavy background looks as if drum ground is lost

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  • rancore
    Technician
    • Jan 2009
    • 11

    #1

    konica minolta,7155,heavy background looks as if drum ground is lost

    replaced cleaning blade and mc grid, copies got gradually worse, little exp 0n konica any help would be appreciated
  • minimerlin
    Senior Tech

    Site Contributor
    500+ Posts
    • Nov 2007
    • 851

    #2
    Sounds like dev needs replacment...if you are not Konica experienced you need to be careful to do all set up procedures and vac out the recycler / cleaning tubes.
    Please do not PM me without asking first.

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