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  1. #1
    jay-oh
    Guest

    Konica 7020 F-28-3 error

    I've got a Konica 7020 and when attempting to make a copy it has a f-28-3 error.
    I've found a couple of posts about how to fix this issue, but I do not find them particularly clear.
    If anyone is able to give me some advice about a potential solution it would be much appreciated.

    My machine has done about 40 000 copies.

    Thank you.

  2. #2
    Technician LIOEEK's Avatar
    Join Date
    Oct 2012
    Posts
    22
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    Re: Konica 7020 F-28-3 error

    Check the HV casing for corrosion, check the insulators.. its on the left side door if im not mistaken.

  3. #3
    Trusted Tech 50+ Posts
    Join Date
    Dec 2012
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    luqa,malta,europe
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    Re: Konica 7020 F-28-3 error

    first trasfer unit ,check or replace
    2.hv block at side door +insulaters
    3.arcing in the belly of conveyance(were the t.s. unit is placed)
    4.charge unit

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