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  1. #1
    Service Manager 10,000+ Posts
    3551ci background problem

    BillyCarpenter's Avatar
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    3551ci background problem

    This machine is having intermittent backgrounding problems when printing. Sometimes the page will have a blue background. Other times it will be red. It never does it while I'm there but they've saved examples for me.

    I would prefer not to start swapping stuff until the problem is corrected.

    Any ideas?

    PS - I didn't bring the examples back to the shop or I would post them.

  2. #2
    Service Manager 1,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    Whats the count on color? Did you clean the charge rollers? Did you perform color calibration, drum refresh, etc.?

  3. #3
    Service Manager 10,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    Quote Originally Posted by copiertec View Post
    Whats the count on color? Did you clean the charge rollers? Did you perform color calibration, drum refresh, etc.?
    The count on the drum/dv is about 100k. I did calibration, drum and dv refresh. Didn't clean the charge roller. Are you talking about the transfer roller or the PCR?

  4. #4
    Service Manager 1,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    Quote Originally Posted by BillyCarpenter View Post
    The count on the drum/dv is about 100k. I did calibration, drum and dv refresh. Didn't clean the charge roller. Are you talking about the transfer roller or the PCR?
    No the charge rollers on each drum unit, they build up with ozone and cause issues if covered in the "white ozone" stuff.

  5. #5
    Service Manager 10,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    Quote Originally Posted by copiertec View Post
    No the charge rollers on each drum unit, they build up with ozone and cause issues if covered in the "white ozone" stuff.

    It's possible but that means that 2 PCR's (cyan, magenta) went bad at the same time. Unless someone comes up with a better idea, I think I'll replace the cyan and magenta drum & DV with a known good one...that would include the PCR for both. I don't think that's the problem though. But I'm at loss.

  6. #6
    Service Manager 1,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    Quote Originally Posted by BillyCarpenter View Post
    It's possible but that means that 2 PCR's (cyan, magenta) went bad at the same time. Unless someone comes up with a better idea, I think I'll replace the cyan and magenta drum & DV with a known good one...that would include the PCR for both. I don't think that's the problem though. But I'm at loss.
    Most instances with shading of colors on that series I have run into have been dirty PCR's. I clean the PCR, calibrate mfp and that usually works as long as the client is using OEM toners.

  7. #7
    Service Manager 10,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    Quote Originally Posted by copiertec View Post
    Most instances with shading of colors on that series I have run into have been dirty PCR's. I clean the PCR, calibrate mfp and that usually works as long as the client is using OEM toners.

    Thanks. I'll give it a shot. Thanks again.

  8. #8
    Master Of The Obvious 10,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    I agree. Overtoning seems to be the main cause of backgrounding on AlphardII's. =^..^=
    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.
    5) You are the person onsite. Only you can make observations.

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

  9. #9
    Service Manager 10,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    Quote Originally Posted by blackcat4866 View Post
    I agree. Overtoning seems to be the main cause of backgrounding on AlphardII's. =^..^=

    It's strange because it happens rarely. A few sheets a day. Never happens when I'm there.

  10. #10
    Master Of The Obvious 10,000+ Posts
    3551ci background problem

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    Re: 3551ci background problem

    I believe that there are pockets of toner that are poorly mixed into the developer. When one of those pockets surfaces you get a puff of unattached toner. =^..^=
    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.
    5) You are the person onsite. Only you can make observations.

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

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