Ricoh M052 Service Manual page 51

Fax Option Type SP5200 (M381)
3. Press down the place [A] on the MBU board.
4. Install the FCU [A] into the FCU slot [B] of the machine.
Align the top edge [C] of the FCU board with the rail [D] in the FCU slot when installing
the FCU.
5. Secure the FCU [A] (
Use two screws which have already been removed in step 1.
6. Attach the serial number decal on the area [B] of the FCU bracket and FCC decal (NA only)
on the area [C] above the serial number decal of the machine.
7. Connect the telephone cord to the "LINE" jack.
M052/M053/M054
x 3).
2-20 SM