Fax Option (D432) Installation
SM 3 D432/D433
D432/D433
Fax Option
Type
C2550/C2530
3. Press down the MBU [A].
 Make sure that the MBU is seated correctly. If not, SC672 occurs.
4. Remove the jumper [B] (set to OFF) and set it to ON.
 The machine may issue SC819 or SC820 if the jumper is not set to "ON"
correctly. (Sometimes these SC codes are not issued.)
5. Install the FCU [A] ( x 2; removed in step 3).
6. Write the serial number of the fax unit on the serial number decal, and then attach this
decal to the bracket [B] of the fax unit.
7. Attach the ferrite core to the telephone cord.