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  1. #31
    Senior Tech 100+ Posts
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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    i had this experience on this issue before and replaced MFPB and SSD at same time, fixed !
    caution, counter all will be zero.

  2. #32
    Service Manager 500+ Posts femaster's Avatar
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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    Quote Originally Posted by iamaduck View Post
    my c224e also encountered the same problem after unplugged from wall for several months.
    may i know how to replace the battery myself?
    1) Figure out what battery is in it, buy one.
    2) Remove the circuit board from copier.
    3) Make use of your excellent soldering skills.
    4) Reinstall board.
    5) Follow instructions from an earlier post to bring it back to life.
    A Ricoh Service Tech for 7 year. A Konica Minolta Service Tech for 7 years. Now, KM service manager.
    My Ricoh knowledge is slowly dwindling away at this point. Many things have been lost to time...

  3. #33
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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    Quote Originally Posted by femaster View Post
    1) Figure out what battery is in it, buy one.
    2) Remove the circuit board from copier.
    3) Make use of your excellent soldering skills.
    4) Reinstall board.
    5) Follow instructions from an earlier post to bring it back to life.
    Thank you, i am buying the battery
    hope can resume it

  4. #34
    Senior Tech 100+ Posts
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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    I just collected one C224e which have same issue, check the battery on MFPB and it has 2.7V

  5. #35
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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    Quote Originally Posted by iamaduck View Post
    Thank you, i am buying the battery
    hope can resume it
    so poor that i have replaced the battery but the problem still persist, could anyone can teach me how to solve it?

  6. #36
    Service Manager 1,000+ Posts Gift's Avatar
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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    Quote Originally Posted by iamaduck View Post
    so poor that i have replaced the battery but the problem still persist, could anyone can teach me how to solve it?
    Guess you need a little luck. We had a few cases with success and some without - I recall at one time we also had to put a new ssd board in to revive the MFP board but in and start the MFP with the reset tool (after battery change of course) another case that "final attempt" didn't helped, too. Guess there's no 100% success guarantuee for these procedures.

  7. #37
    Trusted Tech 50+ Posts
    Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been changed"


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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    Quote Originally Posted by iamaduck View Post
    so poor that i have replaced the battery but the problem still persist, could anyone can teach me how to solve it?
    initializing the ram solves



























    thanks






  8. #38
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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    Romario, how to do that?
    I wanna try to fix.

  9. #39
    Certified Konica Expert 2,500+ Posts
    Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been changed"

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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    in case it was never posted in this thread tldr*


    Problem

    The MFP (bizhub 4e series) will suddenly lose it's meters and serial number
    Note: The following messages will be shown and will not clear:

    • "TPM Chip has been changed"
    • "Only black and white printing is possible."
    • "Fax is currently unavailable"
    • "Banner Print Job in Queue"



    Solution
    CAUSE: Possible data corruption after powering OFF the MFP for an extended period of time.

    SOLUTION: Perform the steps below.
    1. Install the MFP Board if the board is a repaired board run the Reset Tar file 3 times on the MFPB
    2. Once the third Data initialization is complete Power Down the main power and wait 20 seconds
    3. Insert firmware stick with (latest Special firmware) and turn the MFP on
    4. When the firmware screen comes up check/correct Machine and Type, then flash firmware.
    5. After firmware has loaded, power down machine remove USB and power machine back on.
    6. Allow the MFP to perform it's recovery process if the CD390 occurs recover data.
    7. On reboot if the TPM chip has been changed message happens order a New SSD board through Warranty FOC program.
    8. Install new SSD Board and flash machine with latest special firmware
    9. Power ON machine and test all functions

    Note: Please follow the READMe has specific instructions on "How to update the firmware.pdf"
    We know a thing or two because we've seen a thing or two.
    Also don't ask me for files without a contributor badge.

  10. #40
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    Re: Bizhub c224e problem "Serial number must be entered" -> "TPM Chip has been change

    Discharge the backup battery to keep the motherboard data.
    Execute the initialization firmware after replacing the backup battery.
    Used after initial setup.

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