Ricoh D158 - Replacing the NVRAM on the BICU

Electrical Components
D158/D159/D160/D161/D170 4-98 SM
3. BICU [A] (
x 8, All).
 Remove the NVRAM [B] from the old BICU and install it on the new BICU when you
replace the BICU. The NVRAM keeps machine-specific data.
Replacing the NVRAM on the BICU
1. Replace the NVRAM if the NVRAM on the old BICU board is defective.
2. After replacing the NVRAM, clear the engine NVRAM with SP5801-002. Then input the
following values from the most recent SMC list:
 SP4-609-001, 002
 SP4-610-001, 002, 003, 004
 SP4-611-001, 002