When Installing A New Controller Board - Ricoh D127 Field Service Manual

4. Replacement and Adjustment
8. Release the hooks as the red arrows show, and then pull out the rails [A].
9. Remove the DIMM [B] if it has been installed.
• When replacing the controller board, remove the NVRAMs from the board. Install the
NVRAMs to the new board.

When installing a new controller board

1. Install the NVRAM from the old controller board on a new controller board.
2. Install the new controller board in the machine.
3. Disconnect the cables of the HDD from the controller board if the HDD option has already been
installed.
• 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.
4. Reassemble the machine.
5. Turn on the main power of the machine.
• If the HDD option has not been installed, the installation procedure is completed.
• If the HDD option has already been installed, go to next step.
6. Turn off the main power of the machine, and then connect the cables of the HDD again.
• Make sure you print out the SMC reports ("SP Mode Data" and "Logging Data") before you
replace the NVRAM.
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