Ricoh M281 Series Service Manual page 141

3. Tighten the two screws to secure the interface board.
4. Using the supplied USB cable [A], connect the USB device server to the machine.
5. Mount the ferrite cores on the Ethernet cable, while looping the cable at 3 cm (approx.
1.2 inch) [A] from the each end of the cable.
SM
USB Device Server Option Type M19 (D3BC-28, 29)
2-113 D255/D256/M281/M282