Ricoh SAVIN D0AP Service Manual page 140

Extended USB Board Type M19 (D3BS-01)
2.
Fully insert the interface board. Confirm that the interface board is firmly connected to the
controller board.
3.
Tighten the two screws to secure the interface board.
4.
Plug in the power cord, and then turn on the machine.
5.
Print the configuration page to confirm that the board was attached correctly.
D0AP/D0C4/D0C5/D0C6/M0BQ/M0D1 2-102 SM