Ricoh B230 Service Manual page 963

cord has a ferrite core.
6. Put the power plug into the outlet and turn on the main power switch.
7. Enter the service mode. Set bit 1 of communication switch 16 to "1" (SP1-104-
023).
8. Set bit 3 of communication switch 16 to "1" (SP1-104-023) if you have installed
two G3 boards.
9. Turn the main power switch off and on.
10. Print out the system parameter list. Then check that "G3" shows as an option.
11. Set up and program the items required for PSTN-2 communications.
SM
G3 Interface Unit (B787)
13 B786