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  1. #1
    Senior Tech 100+ Posts konica7022's Avatar
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    What does this Print out mean?

    Effects only black
    TB is ok
    Same Black IU if swapped with other machine works fine

    But every Good working black IU that i put in this machine (Bizhub c552) after some time start give black like this
    7D0D62DC.jpg
    Sky shoot


  2. #2
    Senior Tech 100+ Posts
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    Re: What does this Print out mean?

    Quote Originally Posted by konica7022 View Post
    Effects only black
    TB is ok
    Same Black IU if swapped with other machine works fine

    But every Good working black IU that i put in this machine (Bizhub c552) after some time start give black like this
    7D0D62DC.jpg
    Sky shoot
    It means that drum is not charging. Since it happens on every dum you put in and that drums are working fine on other machines, you should check HV board (replace if needed) and clean HV contacts.


  3. #3
    Master Of The Obvious 10,000+ Posts
    What does this Print out mean?

    blackcat4866's Avatar
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    Re: What does this Print out mean?

    Also make sure that the developing unit isn't dumping developer at the front, and sanding the drum surface. I ended up changing out a black developing unit for this. =^..^=

    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.


    blackcat: Master Of The Obvious =^..^=

  4. #4
    Senior Tech 100+ Posts konica7022's Avatar
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    Re: What does this Print out mean?

    Quote Originally Posted by REGSIS View Post
    It means that drum is not charging. Since it happens on every dum you put in and that drums are working fine on other machines, you should check HV board (replace if needed) and clean HV contacts.
    you mean do all the following
    HV Board.jpg

    or is the one in the back Frame and how do i check the voltage?


  5. #5
    Service Manager 1,000+ Posts habik's Avatar
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    Re: What does this Print out mean?

    I'd start with the HV board circuit not the HV contact plates. It is a lot faster. You take the rear covers off and side panel where Network and USB ports are + the whole chassis cage block (MFPB+PRCB+HDD+SSD) Behind that block you'll find HV Board. Replace that one first and see what happens.

    How are your other consumables like? ITB and Devs.

    I had one magenta dev wrecking lot of K devs and TX belts and Drums till we replaced it along with HV Board and FRB (Front Board)

    .OK Google! ... will I need Berrocca this morning?
    Firmwares HERE

  6. #6
    Senior Tech 100+ Posts konica7022's Avatar
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    Re: What does this Print out mean?

    Quote Originally Posted by blackcat4866 View Post
    Also make sure that the developing unit isn't dumping developer at the front, and sanding the drum surface. I ended up changing out a black developing unit for this. =^..^=
    i had that problem with another unit Developer dumping i changed the dev unit for that machine that fixed it, but this one is not dumping any thing cleaning laser with micro fiber cloth comes out clean


  7. #7
    Senior Tech 100+ Posts konica7022's Avatar
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    Re: What does this Print out mean?

    Quote Originally Posted by habik View Post
    I'd start with the HV board circuit not the HV contact plates. It is a lot faster. You take the rear covers off and side panel where Network and USB ports are + the whole chassis cage block (MFPB+PRCB+HDD+SSD) Behind that block you'll find HV Board. Replace that one first and see what happens.

    How are your other consumables like? ITB and Devs.

    I had one magenta dev wrecking lot of K devs and TX belts and Drums till we replaced it along with HV Board and FRB (Front Board)

    ok will try to replace it with another one, other are fine although near end of life, just changed the Yellow IU on that as it started giving a line in the middle

    will i see the result immediately if replace the HV board or could it have damaged the Black Drum/Corona?


  8. #8
    Field Service Engineer 1,000+ Posts
    What does this Print out mean?

    copier tech's Avatar
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    Re: What does this Print out mean?

    You say you have tried this drum in another machine & it prints good? So you know the drum is not damaged.

    Before you replace the HVT try another black dev unit first.

    Let us eat, drink, and be merry, because tomorrow we may die!

    www.copierfirmware.co.uk

  9. #9
    Senior Tech 100+ Posts konica7022's Avatar
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    Re: What does this Print out mean?

    Took Three hours

    Changed the HV board and still no Difference

    20170619_151841.jpg

    and the same drum dev when installed in other machine works fine


  10. #10
    Senior Tech 100+ Posts konica7022's Avatar
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    Re: What does this Print out mean?

    so what does this print mean?


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