Replacing new BICU and New NVRAM on BICU of MPC4000

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  • aabbas
    • Apr 2025

    #1

    [Misc] Replacing new BICU and New NVRAM on BICU of MPC4000

    Could any one help me get the procedure to replace a new NVRAM on BICU(new) of MPC 4000.is it posssible to enter the old meter readings on the machine.how do I enter sr.no and area code.(the old bicu board and NVRAM is damaged due to liquid spread).

    Regards

    AA
  • JustManuals
    Field Supervisor

    5,000+ Posts
    • Jan 2006
    • 9865

    #2
    Re: Replacing new BICU and New NVRAM on BICU of MPC4000

    This Parts & Service Manual can now be purchased for $12.77 and downloaded immediately after payment from

    Just Manuals ~ The Internet's largest selection of manuals ~ Instant Downloads

    Paul@justmanuals.com

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    • zed255
      How'd ya manage that?

      1,000+ Posts
      • Dec 2009
      • 1025

      #3
      Re: Replacing new BICU and New NVRAM on BICU of MPC4000

      New NVRAM and new BICU may mean your electronic meter will be lost (I don't recall for sure which NVRAM keeps the counter data, seems to me that it is on the controller NVRAM). Should the counter data be lost there is no way that I'm aware of to re-enter it unless you were able to back-up the old NVRAM to SD card. There should be 'hidden' mechanical counters that you can use instead from this point forward. You will have to get into Factory SP mode to set the serial number, the information is out there (Google will be your friend) but I'm not comfortable openly sharing that. Regional support managers should be engaged when messing with the machines serial number.


      From the Service Manual:

      4.14.15NVRAM REPLACEMENT PROCEDURE
      NVRAM on the BICU
      1. Make sure that you have the SMC report (factory settings). This report comes with the machine.
      2. Output the SMC data (☛ SP5-990-001) if possible. 3. Turn the main switch off. 4. Install an SD card into SD card slot 2. Then turn the main power on. 5. Copy the NVRAM data to an SD card (☛ SP5-824-001) if possible. 6. Turn off the main switch. Then unplug the power cord. 7. Replace the NVRAM on the BICU and reassemble the machine. 8. Plug in the power cord. Then turn the main switch on. 9. Select a paper-size type (☛ SP5-131-001). 10. Specify the serial number and destination code of the machine.
      �� Contactyoursupervisorfordetailsonhowtoentertheseri alnumberand destination code.
      �� SC195or“FusingUnitSettingError”canbeshownuntilthes erialnumber and destination code are correctly programmed.
      11. Turn the main switch off and on. 12. Copy the data from the SD card to the NVRAM (☛ SP5-825-001) if you have
      successfully copied them to the SD card. 13. Turn the main switch off. Then remove the SD card from SD card slot 2. 14. Turn the main switch on. 15. Specify the SP and UP mode settings. 16. Do the process control self-check. 17. Do ACC for the copier application program. 18. Do ACC for the printer application program.
      NVRAM on the Controller
      1. Make sure that you have the SMC report (factory settings). This report comes with the machine.
      2. Output the SMC data (☛ SP5-990-001) if possible. 3. Turn the main switch off. Then put a blank formatted SD card into SD card slot 2. 4. Turn the main switch on. 5. Copy the NVRAM data (☛ SP5-824-001) and the address book data in the HDD
      (SP5846-051) to an SD card if possible.
      SM 4-167 D027/D029
      Replacement and
      AdjustmentElectrical Components
      �� Anerrormessageshowsiflocaluserinformationcannotbes toredinanSD card because the capacity is not enough.
      �� YoucannotdothisprocedureiftheSDcardiswrite-protected. 6. Enter SP mode. Then print out the SMC reports (☛ SP5-990-001) if possible. 7. Turn off the main switch. Then unplug the power cord. 8. Replace the NVRAM on the controller. Then reassemble the machine. 9. Check if the serial number shows on the operation panel. (SP5-811-002). Input the
      serial number if it does not show. (Contact your supervisor about this setting.) 10. Plug in the power cord. Then turn the main switch on. 11. Copy the data from the SD card to the NVRAM (☛ SP5-825-001) and HDD
      (SP5-846-52) if you have successfully copied them to the SD card.
      �� Thecounterdataintheusercodeinformationclearsevenif step11isdone correctly.
      �� Anerrormessageshowsifthedownloadisincomplete.Howev er,youcanstill use the part of the address book data that has already been downloaded in step 11.
      �� Anerrormessageshowswhenthedownloaddatadoesnotexist intheSD card, or, if it is already deleted.
      �� YoucannotdothisprocedureiftheSDcardiswrite-protected. 12. Go out of SP mode. Then turn the main switch off. Then remove the SD card from SD
      card slot 2. 13. Turn the main switch on. 14. Specify the SP and UP mode settings. 15. Do ACC for the copier application program. 16. Do ACC for the printer application program.
      Last edited by zed255; 01-30-2012, 01:53 PM. Reason: Added information

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      • Oze
        Ricoh Fanboy

        1,000+ Posts
        • Jul 2008
        • 1663

        #4
        Re: Replacing new BICU and New NVRAM on BICU of MPC4000

        Swapping the original NVRAM from the old BICU board to the new one brings the original meters with it.

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