Service manual

Fax Option Type SP5200 (M381)
M052/M053/M054 2-20 SM
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] (
x 3).
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.