Ricoh D146 Service Manual page 1793

5. Remove the CCU I/F board and SG3 board [A] from the SG3 interface unit (

Do the same procedure as shown above for the second SG3 interface unit.
6. Remove the SG3 board [A] from one of the CCU I/F and SG3 board assemblies that you
removed in step 5.
7. Attach the SG3 board removed in step 6 to the other CCU I/F and SG3 board assembly
[B].
8. Attach the boards (CCU I/F board and two SG3 boards) to the SG3 interface unit
bracket ( x 6).

Use two screws from the six screws that were removed in step 5
SM 17
x 6).
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