
4Locate the memory DIMM slot (the upper slot) and the PS DIMM slot (the lower slot) on the control board. They are not interchangeable.
Memory
DIMM
PS DIMM
To install the memory DIMM, continue with Step 5.
To install the PS DIMM, go to Step 6.
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.
D.4 INSTALLING PRINTER OPTIONS