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  1. #1
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    C3110 error 6790

    Hi guys,
    We have a C3110 at work wich suddenly popped up this 6790 error code wich as far as we researched could be something related to the scanner, ADF, firmware or MFP board. We followed the basic procedures and checked the connectors on the board, they were all clear then we dissasembled the scanner unit, cleand the glass, checked the belt, all seem ok. The error pops up shortly after booting, you can actually manage to get in the menus before it appears.

    Any ideeas on what should we check\replace?

    Do you think a firmware update\refresh might help? If yes, where do I download ones, It doesn't seem to be easily available.

  2. #2
    Master Of The Obvious 10,000+ Posts
    C3110 error 6790

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    Re: C3110 error 6790

    I haven't found a good definition for the "AFE" (advanced front end optics?), but it reads like an optical shading adjustment failure after three tries.

    If re-seating connectors and cleaning optics doesn't help, you'll probably end up changing the entire scanner assembly. Like many of these small tabletop devices the scanner is an assembly with no individual parts available. =^..^=
    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 =^..^=

  3. #3
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    Re: C3110 error 6790

    Quote Originally Posted by blackcat4866 View Post
    I haven't found a good definition for the "AFE" (advanced front end optics?), but it reads like an optical shading adjustment failure after three tries.

    If re-seating connectors and cleaning optics doesn't help, you'll probably end up changing the entire scanner assembly. Like many of these small tabletop devices the scanner is an assembly with no individual parts available. =^..^=
    Any ideea where can I get a service manual and\or a parts catalogue? I'm familiar with Brother devices, not so much with Bizhubs.

  4. #4
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    Re: C3110 error 6790

    Quote Originally Posted by c3110 View Post
    Hi guys,
    We have a C3110 at work wich suddenly popped up this 6790 error code wich as far as we researched could be something related to the scanner, ADF, firmware or MFP board. We followed the basic procedures and checked the connectors on the board, they were all clear then we dissasembled the scanner unit, cleand the glass, checked the belt, all seem ok. The error pops up shortly after booting, you can actually manage to get in the menus before it appears.

    Any ideeas on what should we check\replace?

    Do you think a firmware update\refresh might help? If yes, where do I download ones, It doesn't seem to be easily available.
    First is the scanner lamp, after the white board under the small windows where measure the white balance.

  5. #5
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    Re: C3110 error 6790

    Dissasembled the scanner unit.
    Everything looks clean but I did extra-cleaned the surfaces with IPA anyways.

    Found a replacement flex cable, tried with that but no change.

    I'm attaching some pictures.

    What I did noticed is that it takes a while before the error appears, a over 10 seconds and meanwhile the scanner lamp is positioned under the small black\white strip and flashes 2 - 3 times with several seconds in between the flashes.

    IMG_20190701_211238.jpgIMG_20190701_211739.jpgIMG_20190701_220123.jpgIMG_20190701_220138.jpgIMG_20190701_220151.jpgIMG_20190701_220219.jpgIMG_20190701_220243.jpg

  6. #6
    Service Manager 1,000+ Posts tsbservice's Avatar
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    Re: C3110 error 6790

    Time to throw away that machine and upgrade to new i series machines.
    Much better if A3 model.
    A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.

  7. #7
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    Re: C3110 error 6790

    Quote Originally Posted by c3110 View Post
    Dissasembled the scanner unit.
    Everything looks clean but I did extra-cleaned the surfaces with IPA anyways.

    Found a replacement flex cable, tried with that but no change.

    I'm attaching some pictures.

    What I did noticed is that it takes a while before the error appears, a over 10 seconds and meanwhile the scanner lamp is positioned under the small black\white strip and flashes 2 - 3 times with several seconds in between the flashes.

    IMG_20190701_211238.jpgIMG_20190701_211739.jpgIMG_20190701_220123.jpgIMG_20190701_220138.jpgIMG_20190701_220151.jpgIMG_20190701_220219.jpgIMG_20190701_220243.jpg
    Change the white board under the small windows, when settings the white balance it can't set because the whit is not really white.
    But when change the white board, it must be heatproof because the lamp is always light it.

  8. #8
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    Re: C3110 error 6790

    Quote Originally Posted by Sysco View Post
    Change the white board under the small windows, when settings the white balance it can't set because the whit is not really white.
    But when change the white board, it must be heatproof because the lamp is always light it.
    By white board you mean that adhesive strip? Indeed that looks a bit dulled and yellowish. Not the white plastic piece that also has those 3 black strips right?

    http://www.copytechnet.com/forums/at...701_220138-jpg

  9. #9
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    Re: C3110 error 6790

    Looked a bit closer today and I believe the white board/strip is actually ok, it's under the glass and looks white, no discoloration at all. That yellowish adhesive strip I believe is only for securing the glass and provide a smooth patch for the scanner sensor to glide.

  10. #10
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    Re: C3110 error 6790

    Quote Originally Posted by c3110 View Post
    By white board you mean that adhesive strip? Indeed that looks a bit dulled and yellowish. Not the white plastic piece that also has those 3 black strips right?

    http://www.copytechnet.com/forums/at...701_220138-jpg
    Hello,

    Not this white board.
    Under the small windows when you use the adf scanning.
    Sorry but I'm on holiday, tomorrow I will go back to work I will send to another pictures from it.
    27965912_img-20190409-010559_620x680.jpg

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