Ricoh M001 Service Manual page 209

<NVRAM Upload>
execute?
9. Push [#Enter].
10. You will see "Processing". Then when you see "result=OK" the NVRAM data has been
uploaded successfully.
This procedure creates an NVRAM folder on the SD card with one file that holds the
NVRAM data. The file name is the serial number and the file extension is *.nv.
Example: G1772700016.nv,
11. Exit the SP mode.
12. Turn off the main power switch.
13. Remove the SD card.
14. Mark the SD card with the machine code for later reference. You will need this SD card
to download NVRAM to the new NVRAM.
One SD card can store the NVRAM data of two or more machines.
SM
NVRAM Data Upload/Download
5-91 M001