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  1. #1
    Technician
    Konica Bizhub 4050


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    Konica Bizhub 4050

    I am a Kyocera Tech, but have a Konica Bizhub 4050 in one of my accounts. It has locked up the screen. I have tried reboot, unhooked from network, disconnected HDD, removed drum and toner, but no help. Any Ideas? I have added a pic of the display.
    Thanks
    Attached Images Attached Images

  2. #2
    Field Supervisor 500+ Posts
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    Re: Konica Bizhub 4050

    This can also be caused by a corrupt print job sitting in the print queue..Leave the machine powered up and the network cable installed. Hopefully this is a printer on a server and not 50 individual users, but open the print queue and delete any jobs that may be sitting and waiting..E

  3. #3
    Service Manager 2,500+ Posts
    Konica Bizhub 4050

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    Re: Konica Bizhub 4050

    Quote Originally Posted by bcopier2815 View Post
    I am a Kyocera Tech, but have a Konica Bizhub 4050 in one of my accounts. It has locked up the screen. I have tried reboot, unhooked from network, disconnected HDD, removed drum and toner, but no help. Any Ideas? I have added a pic of the display.
    Thanks
    Try re flashing the firmware looks like its stuck on a corrupt boot up.

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

    www.copierfirmware.co.uk

  4. #4
    Field Supervisor 500+ Posts Bix's Avatar
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    Re: Konica Bizhub 4050

    This freeze is very abnormal because there are overlapping frames.
    I have had several bizhub 4050 with a defective screen, but usually the touch did not work.

    Try to dismantle and reattach the monitor. The procedure is very simple:1. Open the black cover on the left side.
    2. Lift display.
    3. Release dsiplay from clip.
    4. Remove the white cover and unscrew the cable.

    Also try to rewrite the firmware and let us know the outcome.

  5. #5
    Super Tech 500+ Posts CompyTech's Avatar
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    Re: Konica Bizhub 4050

    Quote Originally Posted by Bix View Post
    This freeze is very abnormal because there are overlapping frames.
    I have had several bizhub 4050 with a defective screen, but usually the touch did not work.

    Try to dismantle and reattach the monitor. The procedure is very simple:1. Open the black cover on the left side.
    2. Lift display.
    3. Release dsiplay from clip.
    4. Remove the white cover and unscrew the cable.

    Also try to rewrite the firmware and let us know the outcome.
    I agree, could be the screen. Had one stop responding to touch, also had one that would never get past "initializing" displayed on screen. Unfortunately for this model you need the screen to update firmware. Had to replace the main board.

  6. #6
    Technician
    Konica Bizhub 4050


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    Re: Konica Bizhub 4050

    Quote Originally Posted by CompyTech View Post
    I agree, could be the screen. Had one stop responding to touch, also had one that would never get past "initializing" displayed on screen. Unfortunately for this model you need the screen to update firmware. Had to replace the main board.
    I have the manual and firmware, but cannot get into service mode without a working screen so no firmware upgrade unless I am missing a magic way to do it. On the Kyocera's you just put in USB and turn on. I'll try screen next week.

  7. #7
    Technician
    Konica Bizhub 4050


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    Re: Konica Bizhub 4050

    Left machine on over the weekend and came up with 4091(000.00) code so display is good, sounds like board is bricked
    Attached Images Attached Images

  8. #8
    KonicaMinolta Senior Tech 250+ Posts srvctec's Avatar
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    Re: Konica Bizhub 4050

    Quote Originally Posted by bcopier2815 View Post
    Left machine on over the weekend and came up with 4091(000.00) code so display is good, sounds like board is bricked
    Or according to the SM could be something as simple as bad power at the wall outlet.
    Started in the copier service business in the fall of 1988 and have worked at the same company since then, now the senior tech, since 2000.

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