Bicu And Controller Board; Bicu - Ricoh D069 Field Service Manual

BICU and Controller Board

• Turn off the main power switch and unplug the machine before starting replacement.
• Before turning off the main power switch, check that no mechanical component is operating.
Mechanical components may stop out of their home positions if you turn off the main power switch
while they are operating. The component may be damaged if you try to remove it when it is not in the
home position.
For basic models (D067/D072):
The table lists the components and necessary maintenance work

BICU

Model
NVRAM
Basic Installed
BICU
Preparation
• Before replacing the NVRAM, be sure to save the NVRAM data.
• Saving from the BICU NVRAM to an SD card (
(SP5-824/825)" in the "System Service Mode" of the appendices of the this manual.)
Controller
Controller Box
NVRAM
None None
Maintenance Work
Save the data from the NVRAM to a
memory card before replacing the
NVRAM.
"NVRAM Data Upload/Download
BICU and Controller Board
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