Ricoh D017 Service Manual page 1238

Printer and P/S Options
13. Attach the ferrite core [A] to the LAN cable [B].
14. Connect the LAN cable to the "NIC" connection.
15. Connect the USB cable to the "USB" connection.
16. Remove the 1st, 2nd, 4th, and 5th blank key tops.
The 3rd blank keytop from the top is reserved for the "Fax" keytop. Do not
remove it at this time.
17. Replace the blank keytops with the keytops received in the kit from top to bottom:
1st Copy
2nd Document Server
4th Printer
D383 10 SM