Ricoh MP C6502SP Field Service Manual page 937

• There are two NVRAMs on the controller board as mentioned in page 929. Make sure to
replace the two NVRAMs as a set.
• NVRAMs [A] and [B] installed on the Controller Board at the factory are labeled "2M-1" and
"2M-2" respectively. NVRAMs procured as service parts are labeled "FRAM1/D138E" and
"FRAM2/D138E".
• Install NVRAM "FRAM1/D138E" in the socket printed "FRAM-1" [C] on the controller board.
Install so that the indentation [E] on the NVRAM faces toward the direction indicated with the
arrow [G] printed on the controller board.
• Install NVRAM "FRAM2/D138E" in the socket printed "FRAM-2" [D] on the controller board.
Install so that the indentation [E] on the NVRAM faces toward the direction indicated with the
arrow [H] printed on the controller board.
• Work carefully to avoid mistake when installing the NVRAM. Incorrect installation will
damage both the NVRAM and controller board.
13. Plug in the AC power cord, and then turn ON the main power switch.
Main Boards / HDD Unit
935