When Replacing The Nvram On The Controller Board - Ricoh D127 Field Service Manual

• Keep NVRAMs away from any objects that can cause static electricity. Static electricity can
damage NVRAM data.
• Make sure the NVRAM is correctly installed on the controller board.

When replacing the NVRAM on the controller board

1. Disconnect the cables of the HDD from the controller board.
• Disconnecting the cables of the HDD is very important. Otherwise, the HDD is automatically
formatted and all data in the HDD is lost due to the security limitation.
2. Install a New NVRAM on the controller. Then reassemble the machine.
• When you replace the NVRAM [A], make sure that the NVRAM is correctly installed.
• The mark [B] on the NVRAM should be directed to the right side (seem from the back side of
the machine).
3. Remove the Security Card or Printer/Scanner card from SD slot 1.
4. Install a new Security Card in SD slot 1.
5. Turn the main switch on.
6. SC995-02 occurs.
7. Turn the machine off.
8. Connect the cables of the HDD to the controller board.
9. Reassemble the machine, and then turn on the machine.
10. Do the process control self-check.
BICU and Controller Board
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