![](/images/new-backgrounds/1319657/319657309x1.webp)
4Locate the memory DIMM slot (the upper slot) on the control board.
Memory DIMM![](/images/new-backgrounds/1319657/319657309xi2.webp)
![](/images/new-backgrounds/1319657/319657309xi3.webp)
![](/images/new-backgrounds/1319657/319657309xi4.webp)
5Hold the memory DIMM so that the notch and the connection point are aligned with the slot as shown, and insert it all the way into the upper slot.
6Close the control board cover.
B.4 INSTALLING PRINTER OPTIONS