Ricoh D025 - Controller Board; When Installing the New Controller Board

Electrical Components
D023/D025 4-148 SM
4.14.11 CONTROLLER BOARD
1. Controller unit (p.4-121 "Controller Unit")
2. Controller board [A] ( x 7,  x 3)
3. Interface rails [A], NV-RAM [B], RAM-DIMM [C]
When installing the new controller board
Remove the NVRAM from the old controller board. Then install it on the new controller