Ricoh Aficio MP C3501

G3 Interface Unit (D393)
D545 18 SM
2. Remove the controller box.
3. Attach one end (short length) of the flat cable [A] to the connector [B] of the FCU board.
4. Hold the flat cable with two clamps and pass the other end of the flat cable through the
cutout as shown above.
5. Remove the "LINE2" cover and "LINE3" cover with a screwdriver.
6. Connect the SG3 interface unit [A] to the controller board [B] with the flat cable (
x 4).