Controller Board - Ricoh B230 Service Manual

3.14.10 CONTROLLER BOARD

1. Controller unit (
2. Fan bracket [A] and grip [B] (
3. Controller board [C] (
4. Interface rails [D], NV-RAM [E] and RAM-DIMM(s) [F]
When installing the new BICU
Remove the NVRAM from the old controller board. Then install it on the new controller
board after you replace the controller board. Replace the NVRAM (
Replacement Procedure") if the NVRAM on the old controller board is defective.
Make sure you print out the SMC reports ("SP Mode Data" and "Logging Data")
before you replace the NVRAM.
SM
"Controller Box")
x 1, x 1)
x 7, x 2)
3-105
"NVRAM
B230/B237/D042