Brother HL-6050DN - Manual (Page 107)

4 - 7 OPTIONS
4
Loosen the two screws, and then remove the Network cover plate.
Figure 4-10
5
Put the NC-7100w print server connector firmly into the connector of the main controller board by
aligning the two screws to the groove of the printer, and then secure it with the two screws.
Figure 4-11
6
Close the interface access cover.
7
Put the side cover back on.
8
Plug the printer back in, and then turn on the power switch.