Replacing The Nvram On The Bicu - Ricoh D158 Service Manual

Electrical Components
3. BICU [A] ( x 8,

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
D158/D159/D160/D161/D170
All).
4-98 SM