Ricoh D072 Service Manual page 154

BICU and Controller Board
4. Ground plate [B] (
5. BICU [C] (all
When replacing the BICU, remove the NVRAM [D] from the board. Install the
NVRAM to the new board.
6. After replacing the NVRAM, copy the saved data to the NVRAM.
From an SD card to the NVRAM (
(SP5-824/825)" in the "System Service Mode" of the appendices of the this
manual.)
D067/D068/D069/D072
x 2)
, 2 flat cables, x 6)
"NVRAM Data Upload/Download
4-40 SM