Ricoh BR-C1a Basic Service Training page 172

Slide 172
 The machine has three NVRAMs. There are two on the controller board, and one
on the BCU.
Replacement
Controller Board (1)

There are two NVRAMs [A] [B] on the
controller board. The two NVRAMs
are one set.

When replacing the controller board,
remove the NVRAMs from the old
controller board.

Then install them at the same
positions on the new controller
board. If this is not done, SC195-00
occurs.
 NVRAM 2M-1 is inserted at socket
[C] labeled FRAM-1. Make sure
that the circular notch [E] on the
NVRAM is pointing in the direction
of arrow [G] on the board.
 NVRAM 2M-1 is inserted at socket
[D]. Make sure that the circular
notch [F] on the NVRAM is pointing
in the direction of the arrow [H] on
the board.
 If the NVRAMs are installed
incorrectly, this could cause both
the board and the NVRAMs to
short out and cause permanent
damage.
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BR-C1 Training