SM 21 D163
You can add two more SG3 boards to this model. Follow the procedures for adding the single SG3
board installation or double SG3 board installation as the customer needs.
For Installing the single G3 Board
1. If the FCU is not installed in the machine, install the FCU (D163) in the machine first
(page 7 "Fax Option Type M3 (D163)").
2. Remove the controller box cover [A] (
x 4).
3. Remove the rear cover [A] (
x 4).
4. Remove the "TEL2" [A] cover with a screw driver.